404 Request Page Not Found!

404 Request Page Not Found! 404 page not page not found(404) page not found page session request application 四者的区别是什么啊?尤其是session request your certificate request could not be generated page page. Bad Request Your browser sent a request that this server could not understand.Size of a request he 跪求一段英文翻译For example, a browser will send a request for an HTML page followed by multiple requests for each image on that page 翻译The Request Could Not Be Completed Because:Request with error params. Bad Request Your browser sent a request that thiBad Request Your browser sent a request that this server could not understand.Error code:58 Parser Error:[e G] 请区别下列变量的作用于cookie,page,request,session,application什么怎么答,不大懂, Love is not enough or request too much your client is not allowed access the request object是什么意思? could not find a folder matching your request是什么意思 You are not authorized to access this page.啥意思 You are not authorized to view this page怎么修复