Tier 4 of the Points Based System 英国签证的什么东东吗?

Tier 4 of the Points Based System 英国签证的什么东东吗? PBS tier 申请英国签证的在线系统中,出现purpose of application 下面有两个选项：1.PBS tier 4 student 2.study(non-points based system)请问这两个有什么差别? Industry Standard Tier Classifications of the Uptime Institute 如何翻译 Tier 4i是什么 请用英语正确回答：What is the name of the Tier 3 Gallente Battleship? What are the implications of two-tier wages plans for human resource planning? 在线等翻译.机器翻译不要Members will accumulate one point for every £1 spent on purchases made in the by appointment and beyond and bespoke event departments,regardless of member spend and tier level.Any increased points per £1 sp 翻译一下这句话（英译中）,谢谢lease tick if the address of student's primary site of study is the same as the Tier 4 sponsor address given in Part H. 英语翻译 Note down the main points of the speech.谢谢 help them underline the main points of the letter Each of the answers is worth 20 points.的同义句 ____answer is worth 20 points. Each of the answers is worth 20 points.的同义句 ____answer is worth 20 points. at the points of 是什么意思?原文： Place the fan in position and check for clearances at the points of fixing 翻译：In the xy-coordinate plane,how many points are a distance of 4 units from the origin? double of points是什么意思 awarding of points是什么意思 general points of 要精准的.Tier 4 visa application