大学信息
教务处
研招网
录取分数线
当前位置:
首页
>
教务处
>教培机构都在用什么教务系统
教培机构都在用什么教务系统
2025-12-05 17:55:09
教培机构都在用什么教务系统
#教务管理系统
#小麦助教
#教务系统
#培训机构管理系统
本文来自网友投稿或网络内容,如有侵犯您的权益请联系我们删除,联系邮箱:wyl860211@qq.com 。
教培机构前台必备表格
学校校务公开管理制度及记录台账
最新文章
教培机构前台必备表格
教培机构专属AI助教,AI家校互动服务系统
教务系统学员端啥样啊?
2025教导处工作计划曝光!做出最大教学成果
推荐一下教务系统吧
学校中层,德育主任和教务主任选哪个,纠结
基于Javaweb的教务管理系统
教务资料的重要性
各位老师们看过来啦!!!
学校办公室主任怎么才能做好???
热门文章
春季学校教导处工作总结“新出炉”带PPT
被教学干事的工作留痕震撼到了!
行政教务真的是狗都不干
难怪校长点名表扬,教导处工作总结,有亮点
求辞教务工作
呼声超高的教导处工作安排表来啦
陕师大招聘外事教学秘书
体育老师当总务 😭😭😭
校长必备学校管理制度汇编36000字超详细版
教务老师都很厉害吗?
随机文章
10个月宝宝每天需要喝多少奶粉?
某校教务助理
有人愿意来大专做教务老师吗?双休本科就行
实操有效的举报学校教程(补档)
前台教务老师这样可以吗🧐
不敢相信这是小机构能做到的课后服务!
校区必备干货
教育类考编!A类岗扩招,不教课冲就完了
有寒暑假的高校行政人员
你还记得看过的第一部恐怖片么?
教务处秘书岗位
基本
文件
流程
错误
SQL
调试
请求信息 : 2025-12-07 21:46:00 HTTP/2.0 GET : https://b.mffb.com.cn/a/456454.html
运行时间 : 0.091607s [ 吞吐率:10.92req/s ] 内存消耗:4,105.23kb 文件加载:140
缓存信息 : 0 reads,0 writes
会话信息 : SESSION_ID=d89ca68fe62a2206bc459ef5152c9ee3
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/public/index.php ( 0.79 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/autoload.php ( 0.17 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/composer/autoload_real.php ( 2.49 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/composer/platform_check.php ( 0.90 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/composer/ClassLoader.php ( 14.03 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/composer/autoload_static.php ( 4.90 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-helper/src/helper.php ( 8.34 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-validate/src/helper.php ( 2.19 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/helper.php ( 1.47 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/stubs/load_stubs.php ( 0.16 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/Exception.php ( 1.69 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-container/src/Facade.php ( 2.71 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/symfony/deprecation-contracts/function.php ( 0.99 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/symfony/polyfill-mbstring/bootstrap.php ( 8.26 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/symfony/polyfill-mbstring/bootstrap80.php ( 9.78 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/symfony/var-dumper/Resources/functions/dump.php ( 1.49 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-dumper/src/helper.php ( 0.18 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/symfony/var-dumper/VarDumper.php ( 4.30 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/App.php ( 15.30 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-container/src/Container.php ( 15.76 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/psr/container/src/ContainerInterface.php ( 1.02 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/app/provider.php ( 0.19 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/Http.php ( 6.04 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-helper/src/helper/Str.php ( 7.29 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/Env.php ( 4.68 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/app/common.php ( 0.03 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/helper.php ( 18.78 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/Config.php ( 5.54 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/config/app.php ( 0.95 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/config/cache.php ( 0.78 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/config/console.php ( 0.23 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/config/cookie.php ( 0.56 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/config/database.php ( 2.48 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/facade/Env.php ( 1.67 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/config/filesystem.php ( 0.61 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/config/lang.php ( 0.91 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/config/log.php ( 1.35 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/config/middleware.php ( 0.19 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/config/route.php ( 1.89 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/config/session.php ( 0.57 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/config/trace.php ( 0.34 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/config/view.php ( 0.82 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/app/event.php ( 0.25 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/Event.php ( 7.67 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/app/service.php ( 0.13 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/app/AppService.php ( 0.26 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/Service.php ( 1.64 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/Lang.php ( 7.35 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/lang/zh-cn.php ( 13.70 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/initializer/Error.php ( 3.31 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/initializer/RegisterService.php ( 1.33 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/services.php ( 0.14 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/service/PaginatorService.php ( 1.52 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/service/ValidateService.php ( 0.99 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/service/ModelService.php ( 2.04 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-trace/src/Service.php ( 0.77 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/Middleware.php ( 6.72 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/initializer/BootService.php ( 0.77 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/Paginator.php ( 11.86 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-validate/src/Validate.php ( 63.20 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/Model.php ( 23.55 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/model/concern/Attribute.php ( 21.05 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/model/concern/AutoWriteData.php ( 4.21 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/model/concern/Conversion.php ( 6.44 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/model/concern/DbConnect.php ( 5.16 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/model/concern/ModelEvent.php ( 2.33 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/model/concern/RelationShip.php ( 28.29 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-helper/src/contract/Arrayable.php ( 0.09 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-helper/src/contract/Jsonable.php ( 0.13 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/model/contract/Modelable.php ( 0.09 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/Db.php ( 2.88 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/DbManager.php ( 8.52 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/Log.php ( 6.28 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/Manager.php ( 3.92 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/psr/log/src/LoggerTrait.php ( 2.69 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/psr/log/src/LoggerInterface.php ( 2.71 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/Cache.php ( 4.92 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/psr/simple-cache/src/CacheInterface.php ( 4.71 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-helper/src/helper/Arr.php ( 16.63 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/cache/driver/File.php ( 7.84 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/cache/Driver.php ( 9.03 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/contract/CacheHandlerInterface.php ( 1.99 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/app/Request.php ( 0.09 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/Request.php ( 55.78 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/app/middleware.php ( 0.25 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/Pipeline.php ( 2.61 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-trace/src/TraceDebug.php ( 3.40 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/middleware/SessionInit.php ( 1.94 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/Session.php ( 1.80 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/session/driver/File.php ( 6.27 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/contract/SessionHandlerInterface.php ( 0.87 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/session/Store.php ( 7.12 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/Route.php ( 23.73 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/route/RuleName.php ( 5.75 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/route/Domain.php ( 2.53 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/route/RuleGroup.php ( 22.43 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/route/Rule.php ( 26.95 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/route/RuleItem.php ( 9.78 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/route/app.php ( 1.72 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/facade/Route.php ( 4.70 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/route/dispatch/Controller.php ( 4.74 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/route/Dispatch.php ( 10.44 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/app/controller/Index.php ( 4.81 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/app/BaseController.php ( 2.05 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/facade/Db.php ( 0.93 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/db/connector/Mysql.php ( 5.44 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/db/PDOConnection.php ( 52.47 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/db/Connection.php ( 8.39 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/db/ConnectionInterface.php ( 4.57 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/db/builder/Mysql.php ( 16.58 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/db/Builder.php ( 24.06 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/db/BaseBuilder.php ( 27.50 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/db/Query.php ( 15.71 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/db/BaseQuery.php ( 45.13 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/db/concern/TimeFieldQuery.php ( 7.43 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/db/concern/AggregateQuery.php ( 3.26 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/db/concern/ModelRelationQuery.php ( 20.07 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/db/concern/ParamsBind.php ( 3.66 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/db/concern/ResultOperation.php ( 7.01 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/db/concern/WhereQuery.php ( 19.37 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/db/concern/JoinAndViewQuery.php ( 7.11 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/db/concern/TableFieldInfo.php ( 2.63 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-orm/src/db/concern/Transaction.php ( 2.77 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/log/driver/File.php ( 5.96 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/contract/LogHandlerInterface.php ( 0.86 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/log/Channel.php ( 3.89 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/event/LogRecord.php ( 1.02 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-helper/src/Collection.php ( 16.47 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/facade/View.php ( 1.70 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/View.php ( 4.39 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/Response.php ( 8.81 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/response/View.php ( 3.29 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/Cookie.php ( 6.06 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-view/src/Think.php ( 8.38 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/framework/src/think/contract/TemplateHandlerInterface.php ( 1.60 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-template/src/Template.php ( 46.61 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-template/src/template/driver/File.php ( 2.41 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-template/src/template/contract/DriverInterface.php ( 0.86 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/runtime/temp/5111bd3ce6749a72e5b190c98fc708e0.php ( 11.98 KB )
/yingpanguazai/ssd/ssd1/www/b.mffb.com.cn/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
CONNECT:[ UseTime:0.000367s ] mysql:host=127.0.0.1;port=3306;dbname=b_mffb;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000587s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000289s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000249s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.000460s ]
SELECT * FROM `set` [ RunTime:0.000196s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.000477s ]
SELECT * FROM `article` WHERE `id` = 456454 LIMIT 1 [ RunTime:0.000379s ]
UPDATE `article` SET `lasttime` = 1765115161 WHERE `id` = 456454 [ RunTime:0.008520s ]
SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000240s ]
SELECT * FROM `article` WHERE `id` < 456454 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000383s ]
SELECT * FROM `article` WHERE `id` > 456454 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001085s ]
SELECT * FROM `article` WHERE `id` < 456454 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000898s ]
SELECT * FROM `article` WHERE `id` < 456454 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002228s ]
SELECT * FROM `article` WHERE `id` < 456454 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003758s ]
0.106459s