The velocities are independent of hydrostatic pressures.速度与流体静压力无关.The momentum of the particles was deduced from meteoritic velocities.粒子的冲量可以从陨石速度推导出来.In experimenting we find out that sound travels with different velo...
本文提出一种干涉云纹的光学倍增方法.An optical multiplication method of interference moire fringes was proposed moire interferometry.门上有窗, 窗上装有菱纹 、 云纹天莲花纹的窗棂.Door with windows, windows with Hishimonoides, moire pattern of lotus - day wind...