The casting functions do need a prefix.

但类型转换函数必须有前缀。

youdao

A prefix can only be associated with one URI at a time.

一个前缀一次只能与一个URI相关联。

youdao

Even default namespaces have to be qualified with a prefix.

即使是默认名称空间也必须用一个前缀进行限定。

youdao

Well, it's a prefix most of the symbols in this function with just an asterisk, with a * from the keyboard so Shift-8.

好的，在这个函数中它是一个前缀符号,就是一个星号，在键盘中用Shift-8输入。

哈佛公开课 - 计算机科学课程节选

Nano is a prefix (from the Greek word for dwarf) meaning a billionth of something.

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It requires little thought to come up with the corresponding antonyms because they all merely involve a prefix.

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The protocol, which resides on a router at the edge of an IPv6 network, assigns a prefix to each IPv6 address to identify it as a 6to4 address.

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