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1·To fau all kinds of puzzle, we should think deeply again in now century and situation.

面对各种困惑，在新世纪新形势下，我们必须对此作出新的思考。

2·Then, the concept of protective system safety on railways is introduced, and the method to calculate the safety by means of computer simulation and fau…

然后介绍了综合减灾方案安全性的概念，以及用事故树和计算机仿真技术计算安全度的方法，最后对综合减灾决策模式进行了探讨。

3·By observing the process of experiment and analysising the result and studying the character of tectonic stress field and the proof of fluid geochemistry for the controlling of fau…

通过观察实验过程和对实验结果的分析，结合构造应力场特征和断裂控油的流体地球化学研究结果，对该断裂带的控油特征进行了分析。