They circle the planet with great speed.
它们以很高的速度围绕火星旋转。
The speed and electric current double closed-circle is adopted in the system.
系统采用电流和速度的双闭环控制。
The saw cutting power and the circle line speed of saw web are also discussed.
还对锯机设计中主要性能参数驱动功率和锯片圆周线速度问题进行了较深入的讨论。
The saw cutting power and the circle line speed of saw web are also discussed.
还对锯机设计中主要性能参数驱动功率和锯片圆周线速度问题进行了较深入的讨论。
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