This, plus the more remote chance of a big collision, has stimulated efforts to map the orbits of potential threats so that people will be prepared.

加之存在更大撞击几率，这激励人们绘制出有潜在威胁的小行星运行轨道，那样人们就会做好准备。

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At the same time, girder transport vehicle also has such intelligent systems as automatic assistance driving, the remote control, positioning, anti-collision, fault alarm and fault diagnosis etc.

同时，运梁车还具有自动辅助驾驶、遥控、定位和防撞、故障报警与诊断等智能化系统。

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