wave trough meaning in Chinese

波槽
波谷

The mid - level short wave trough could induce cyclone in the meiyu front to produce associated heavy rainfall
适当强度的高空槽可以诱生梅雨气旋，产生锋面气旋暴雨。
From 500 - hpa geopotential height maps , one can depict important weather systems on the large scale , e . g . subtropical ridge or long - wave troughs in the westerlies
从500百帕斯卡的位势高度图，可清楚检视大尺度的重要天气系统，例如西风长波槽或副热带高压脊等等。
In the wave trough of the pressure curve , the pressure may be then if the rocket is accelerating or if it has assembling defects , the early explosion of the grenade on the ballistic may be caused
该模型的微分方程计算结果表明微小弹簧在弹道上的振动过程会使导电杆的受压产生周期性变化，尤其是在一些波谷处，导电杆几乎不受压力，此时如果有火箭加速和其它装配缺陷等因素的影响，就会引起弹丸在弹道上的早炸。
So the processor now subtracts one signal from the other ? that is , it inverts the signal from the north ( or south ) antenna , turning wave peaks into wave troughs and vice versa , and adds this mirror image to the signal from the south ( or north ) antenna
所以，处理器现在把讯号相减，也就是把来自北方（或南方）天线的讯号反相，让波峰变成波谷，波谷变成波峰，然后把这个反相的讯号与来自南方（或北方）天线的讯号相加。