velocity of rotation
英
美
- 旋转速度
双语例句
- Rotation speed is one of the key reasons which are relative to the quality of friction stir welds and tunnel defect existes at lower rotation speed.
搅拌工具旋转速度是影响接头成型形貌的关键原因之一，速度过低有可能会导致隧道型孔洞缺陷。 - Hubble helped astronomers determine the masses of several black holes by measuring the velocities of material whirling around them.
哈勃帮助天文学家确定了若干个黑洞，通过测量物质的他们周围的旋转速度。
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