主振荡功率放大 MOPA ; master oscillator power amplifier
主振频率 [电子] master frequency ; main vibration frequency ; principal vibration frequency
主振荡功率放大器 MOPA
主振动形式 principal mode of vibration ; fundamental mode
主振型 principal mode ; Main Vibration Mode ; principal modes of vibration
初级主振部分 first driver unit
主振管 exciter tube
主振弹簧 master vibration spring ; Principal vibration spring
本文提出矩形薄板振动主振方向的概念。
The idea of the main vibration direction of the rectangular plate is put forward in the paper.
确定了膜片的主振方向和受应力最大的点，为正交试验优化提供了计算依据。
So find out the point whose stress is the maximal and Y is the direction of primary vibration.
斜置式对称分布的主振弹簧，使得振动筛在运行时平和稳定，隔振效果极好。
The tilting symmetric distributed main-vibrating spring makes the vibrating screen smooth during operation and vibration isolation effect is very good.
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