形体的一切形态、声音、动作，都仅仅是(从一个静止点投射，去模拟运动的)光波看似的运动。
All forms of bodies and all sounds and actions of bodies are but the seeming motion of light-waves which have been projected from a still point of rest to simulate motion.
静电：有关静止形态的电荷的情况。静电在湿度低的环境下，因磨擦而产生；或有目的使它产生。
Static electricity: Pertaining to electric charges at rest. It may be intentional charging or of friction in low humidity environment.
本文针对几种不同形态的叶栅顶部间隙，在环壁转动与静止的不同情况下，研究间隙内的泄漏流动对三维粘性流场的影响。
In this paper, the influence of tip leakage flow on the 3-d viscous flow field is investigated for different blade tip gap shapes under the condition of rotating hub or stationary hub.
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