It will travel around the Earth at a height of 300 km.
它将在300千米的高度绕地球运行。
The moon goes around the earth at a distance of 380000km.
月球在距地球38万千米的处所绕地球旋转。
For instance, you're at a particular position around the Earth, here at a satellite.
例如你在环绕地球的，某一点，这一个卫星。
The earth turns around at a uniform rate.
地球以相同的速度旋转。
The earth turns around at a uniform rate.
所有这些手杖长度都是一样的。
The earth turns around at a uniform rate.
所有这些手杖长度都是一样的。
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