When the enter key is pressed, the subroutine exits if at least one character has been entered.

如果至少已输入了一个字符，则在按下enter键后，子例程将退出。

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All macros can be set to run when a hot key is pressed.

所有宏指令都可以被设定为按某一快捷键开始运行。

《柯林斯英汉双解大词典》

We must be sure to check which key is pressed first, then check for location.

我们务必要首先核实按下的是哪个键，然后再检查其位置。

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Now, however, as these companies face a clear need to file more and file faster, they are additionally hard-pressed because they commonly rely on key business and engineering personnel to manage the patent process.

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