... Research on the Key 面向智能家居的无线传感器网络关键技术研究 on time key 一次关键加密法 Research on Some Key 三维破坏力学和纳米力学中的关键问题研究 ...
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The key is what we are spending our time on, and how we are expending our energy.
问题的关键是我们将时间花费在什么上面,和我们怎样消耗我们的精力。
Because a digital signature is based on public key cryptography, it generally takes much more time to compute a digital signature than a MAC.
由于数字签名是建立在公用密钥密码术基础上的,因此计算一个数字签名所花的时间往往要比计算一个mac长得多。
TIP: To move an item one pixel at a time, select the item and press an arrow key on your keyboard.
提示:要使项目一次移动一个像素,则选择该项目并按下键盘上的箭头键。
Imagine I have a little lamp, a little goose- one of those little gooseneck lamps, I'd put it on the table here, I'd put the height about a f-- about a foot off the table. And if I was really good, - I could hit, or time it so that when I hurt- yeah, try again. When I turn this on switch on in the lamp, at exactly the same time, I'm going to hit a key on my computer and start it running.
想象下我有一个那种小雁颈台灯-,我把它放在桌子上,大概离桌子,有一英尺那么高吧,这样挺好的,我可以打开-,或者关闭这灯,并在这同时,我可以让我电脑,开始运行。
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