用户不是采用单击链接的方式，而是说出“账户信息”或使用键盘按预先录制好的指令进行操作。
Instead of clicking a link, a user says "Account Information," or USES the keypad following pre-recorded instructions.
服务器可以有几个编译好的模块，这些模块中有的并非正在使用的。这条指令用于使那些模块成为可用。
The server can have modules compiled in which are not actively in use. This directive can be used to enable the use of those modules.
计算机数控编程员把计划好的机床操作转变成一套指令。
CNC programmers turn the planned machining operations into a set of instructions.
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