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...
Development of the ferroelectric ceramics in recent years has led to superior detection ability.近代所发明的铁电陶瓷具有优良的检测能力.The ferroelectric cathode material is a new kind of functional material.作为一种新型功能材料,铁电阴极材料的研究日益受人们重视.The ...