密码保护

L Protects information. The system uses high-level encryption to "seal" data so that snoops and thieves are thwarted.

l 保护信息：该系统使用高级密码对资料进行&加密&，窥探者和窃贼不敢轻举妄动。

Without a password, user unable to modify or make any changes to the protected elements in the worksheets.

没有一个密码，用户无法修改或作出任何改变，以保护分子，在工作表。

Third,in order to solve the problem of the contradiction between the authentication and the privacy,we construct a designated-verifier chameleon proxy signature scheme.Only the designated verifier can verify the validity of the signature which can efficiently prevent the forgery from the dishonest verifiers.

第三，为了解决认证性和隐私性相冲突的问题，我们基于身份密码系统并结合我们所构造的一个卡麦龙函数，提出了一种新的指定验证者卡麦龙代理签名方案，在该方案中，只有指定的接受者能够验证签名的有效性，该方案能够有效的保护验证者的利益。

It helps users to protect their private information against various cyber threats such as identity thieves, password stealers, spyware, keyloggers, etc.

它可以帮助用户来保护他们的私人资料，对各种网络威胁，例如身份盗用，密码窃取，间谍软件，键盘记录程序等。

Passwords are the first line of defense in protecting your computer from criminals, pranksters, or a careless roommate.

密码是从罪犯、调皮鬼、大意的室友手中保护你的计算机的第一条防线。

You can even lock your computer with QHW instead of a weak, easily hackable screensaver password.

你甚至可以锁定您的计算机与qhw不是一个薄弱，很容易hackable屏幕保护程序的密码。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。