These functions are helpful for simulations (so you can re-run the simulation), but they are extremely dangerous if you're using them to create secret keys for security.

虽然这些函数对于模拟程序来说是有帮助的（因此您可以重新运行模拟程序），但是如果您使用这些函数来创建安全密钥，那可实在是非常危险。

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She was still extremely pale, but her face had a curious tranquillity of expression that seemed drawn from some secret inner source.

她的脸色仍然非常苍白，但表情却出奇地平静，那平静仿佛来源于内心一种神秘的力量。

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Trade secret litigation can be extremely fast-paced and in some cases disruptive of business practices.

商业秘密诉讼可能进行得非常之快，在一些案例中对商业经营造成了破坏。

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The sad truth is that good fishing is always private, extremely expensive or a closely guarded secret.

ECONOMIST: Exotic sports: A new angle on Russia��s crisis | The

The secret lies in the extremely light and stiff composite material made of boron carbide in an aluminium matrix used for the engine.

ECONOMIST: CAR DESIGN

"It's extremely difficult for me to tell you the secret of anything, " says Bill Kalush, 47 years old, founder of the center.

WSJ: Years of Magical Thinking