Public-key algorithms, on the other hand, are asymmetrical, using different keys, a public key, and a secret key, for encryption and decryption.

公开钥匙算法则是不对称的，采用不同的密钥，一个公开的钥匙和一个秘密的钥匙，用于加密和解密。

youdao

But if the disc detects that the player has been modified to record the movie, or it is using stolen keys from a different player, the disc won't play.

但如果碟片侦测到播放机被改动成能录制，或者用的是从其他播放机偷来的密钥，碟片内容就放不出来。

youdao

Using keys, you can combine different lights with materials to experiment with the effects.

按其中的键可以将不同的颜色与材质综合，感受不同的效果。

youdao

Using keys, you can combine different lights with materials to experiment with the effects.

按其中的键可以将不同的颜色与材质综合，感受不同的效果。

youdao