Perilous rock is one of main geologic disasters in mountain area of China. Safenet 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。
2
Finally based on the results of rockfall trace calculation combined with the characters of safenet system, the authors presented the conception and method of design of safenet 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。
3
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.