The invention can prevent the passive sign device as IC card to be unauthorized dispatched which is not aware of user to confirm the control of user on the sign.

本发明能够防止被动签名设备，如ic卡等在用户毫无察觉的情况下被未经授权地多次调用，从而保证用户对签名的控制。

youdao

The plan calls for a single sign-in each time a computer or phone is turned on, using a device such as a digital token, a smartcard, or a fingerprint reader.

这一规划只需每次打开电脑或手机时使用一个简单信号- - -使用一种诸如数码标示、一张智能卡或指纹扫描器这类的装置。

youdao

Alone on the terrace in the darkness of night I groped all over like a blind man trying to find upon the black stone gate of death some device or sign.

在夜晚的黑暗中，如同一个盲人，我独自在凉台上摸索着，想在死神的黑色石门上寻找一个纹章或是记号。

youdao

The little blue sign means that your device cannot open Flash.

VOA: special.2010.06.22

We don't mind making it painful for users to sign into their device if they only have to do it once.

ENGADGET

The only notable change is an articulating, telescoping antenna that screws into the top of the phone -- a sure sign that this device is nothing but a trial unit since we'd assume retail devices would have a sexier way to stow it.

ENGADGET: Samsung's Mobile DTV-enabled Moment hands-on Hands-on

One big sign is that your device starts acting strangely.

FORBES: Your Phone Has Been Hacked. Here's What You Need to Know.