It is an economical and safe simulation environment for teaching. training. research. property test and trouble analysis of the space telemetry and telecontrol equipment.

对于航天无线电测控设备的教学训练、实验研究、性能测试和故障分析等方面是一个经济、安全的仿真环境。

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Some simulation results prove this algorithm to be safe and efficient.

一些模拟结果证明，该算法是一种安全有效的算法。

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The group is now conducting tests, including an earthquake simulation, to ensure that the foam housing is as safe as Mr Haddock says it is.

BBC: Aftermath of 1998 quake in northern Afghanistan