它可是是设计成直线运动的或旋转运动的。

It may be designed for linear or rotary motion.

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给出了作变加速直线运动的蒸发黑洞的辐射温度。

The radiative temperature of a non-uniformly rectilinearly accelerating evaporating black hole is presented.

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甚至当你整个身体在行走过程中也不是呈一条直线运动的。

Even gross body movements when you walk somewhere tend not be perfectly straight.

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One way to say it is, every body will continue to remain in a state of rest or uniform motion in a straight line.

另外一种说法是,任何物体都会继续保持静止,或匀速直线运动的状态

耶鲁公开课 - 基础物理课程节选