使用不可打印的字符(例如退格键或暂停)可以提高密码的模糊度。
Requiring nonprintable characters, such as backspace or pause, is a simple way to add another layer of obfuscation to your password.
比赛一退格如果在字符匹配模式。
当用户输入错误时，可以按退格键“撤销”错误的字符。
When a user mistypes, the Backspace key "undoes" the erroneous characters.
你也可以认为这对于用户来说是一个陷阱，因为他可以移动光标并且无意中用退格键删除字符，而这些字符不是最后输入的。
You could also see it as a trap for users because they can move the cursor and inadvertently backspace away characters that were not the last ones keyed in.
退格符延迟大约持续0.05秒。如果OFILL设定了，则传送一个填充字符。
Backspace delay lasts about0.05 seconds. If OFILL is set, one fill character is transmitted.
退格符延迟大约持续0.05秒。如果OFILL设定了，则传送一个填充字符。
Backspace delay lasts about0.05 seconds. If OFILL is set, one fill character is transmitted.
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