将xev程序作为事件获取程序，允许无缝地添加不可打印字符要求。

Using the xev program as the event grabber allows for a seamless addition of the requirement for nonprintables.

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捕捉并要求使用不可打印字符是将密码隐藏在视线之外的一种方法。

Catching and requiring nonprintables is one way to hide password attributes in plain sight.

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印字打包带有：单色、双色。可按客户要求订做各种质量、规格尺寸打包带。

Lettering packaging strap has single color and double colors We also can make kinds of packaging straps with different quality and specification and size.

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印字打包带有：单色、双色。可按客户要求订做各种质量、规格尺寸打包带。

Lettering packaging strap has single color and double colors We also can make kinds of packaging straps with different quality and specification and size.

youdao