Perilous rock is one of main geologic disasters in mountain area of China. Safe net system is a passive control technique for rockfall in recent years.

危岩是我国山地一种主要地质灾害类型，拦石网是近年应用的一种落石柔性被动防护系统。

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Finally based on the results of rockfall trace calculation combined with the characters of safe net system, the authors presented the conception and method of design of safe net system.

最后，根据落石运动特性计算结果，结合拦石网系统特点，提出了拦石网基于落石特性计算布设的原则和方法。

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If there's one thing that net-savvy activists from Tunisia to Bahrain are aware of, it's that the Internet isn't always safe.

从突尼斯到巴林，熟悉网络的活动分子都知道一件事：互联网不是永远安全的。

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You can sleep soundly knowing that a parcel of your net worth is safe and sound.

FORBES: Soros Vs. Levy Vs. Buffett

The official reason for this was to make the Net a "safe place" without government censorship--which made sense, I guess, given that the Supreme Court had not yet ruled the Communications Decency Act unconstitutional.

CNN: The Press Muzzles Itself

The result is that letting someone else's aglet on to your computer should be about as risky as downloading an applet from the Net, which is generally considered safe.

ECONOMIST: Computer viruses need not be all bad