... frequency four-vector 频率四维矢（量） frequency of penetration 穿透频率 frequency of vibration 振动频率 ...
双语例句
1
As for the choice of the microwave irradiation frequency, the trade-off must be made in order to insure the penetration depth of the microwave signal, imaging contrast and signal-to-noise ratio.
为了同时兼顾穿透深度、成像对比度和信噪比三方面的需要，选择微波辐照频率时应该采取折中选取的原则。
2
By the analysis penetrationof ZnOw into the compound board will compose a microscopic damping structure, which can reduce the vibration frequency and increase the damping ratio.
分析认为，氧化锌晶须渗入在复材中将形成微观的阻尼结构，起到降低固有振动频率和增大衰减率的作用。
3
Manipulate frequency, the maximal stenosis and horizontal penetration parameter are the important parameters of the rolling massage in Chinese traditional medical massage.