它是使用文件传输协议的一系列程序的集合。

It is to use the file transfer protocol to assemble a series of procedures.

一系列程序都结束了, 四个蒙面的刽子手向前迈了几步.

The formalities over, the four masked executioners stepped forward.

在这个问题中你将被指派实现一个对于一系列程序竞赛的排名系统。

In this problem you are asked to implement the ranking system for a series of programming contests.