它还要使用另外两个参数，传输类标识符和替换类标识符。

It also takes two extra parameters, the transfer class identifier and the replacement class identifier.

youdao

每个客户端必须有单独的标识符串，将该标识符串作为参数传送给类构造函数。

Each client has to have a unique identifier string which is passed as an argument to the class constructor.

youdao

业务组件处理程序必须保留一个具体业务组件标识符的标识符。

What must be retained by the business component handler is the identifier of a concrete business component identifier.

youdao

If you're writing a one line function, whose sole purpose in life is addition, and, clearly, this is about addition, well, then it's, in fact, A reasonable to use a shorter symbol like A, but I do have to specify it's type.

如果你在写一个一行的函数，它唯一的目的是,做加法，显然这是关于加法的，好的，实际上，用一个短的标识符是合理的，像，但是我必须指明它的类型。

哈佛公开课 - 计算机科学课程节选

Spelling. These are just dumb little things to look for. Did you spell all the identifiers the way you think you did. The problem is, when you read code you see what you expect to see.

拼写错误，你可能得找找这些粗心的小错误,你是否拼对了标识符,问题是当你阅读代码的时候,你看到的都是你以为的。

麻省理工公开课 - 计算机科学及编程导论课程节选