Fluctuating prices usually base on a fickle public's demand.物价的波动往往是由于群众需求的不稳定而引起的.In many applications a fluctuating DC current is undesirable.在许多应用场合,波动的直流电是讨厌的.Widely fluctuating exchange rates may adversely affe...
The pendulous accelerometer design had much in common with the gyro design.摆式加速度计的设计与陀螺设计有很多共同之处.A small recording accelerometer in the model furnishes data on its behavior.模型中装有小型加速器用以记录其运动状态的数据.Less benefit is achieved...