None of these volcanoes was formed as a result of collisions between plates of the Martian crust—there is no plate motion on Mars.
这些火山没有一个是由于火星地壳板块之间的碰撞而形成的——火星上没有板块运动。
There would be no plate tectonics, and our planet would probably be a lot like Venus: hellish and inert.
这样板块结构学就不存在了，我们的星球可能会与金星非常类似：环境极端恶劣而缺乏生气。
The union time was 4 months on average. No plate and screw looseness, breakage or nonunion was found.
无一例发生钢板螺钉松动、断裂、骨不连等并发症。
The union time was 4 months on average. No plate and screw looseness, breakage or nonunion was found.
无一例发生钢板螺钉松动、断裂、骨不连等并发症。
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