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- principal vibration direction 主变更方向
- Vertical wave: The vibration direction of the particle is parallel with the spread direction of the wave. 竖波:质点的振动方向跟波的传播方向平行的波。
- Shear wave: The vibration direction of the particle is perpendicular with the spread direction of the wave. 横波:质点的振动方向跟波的传播方向垂直的波。
- two dimensional vibration direction convertor 二维振动方向变换器
- Vibrating direction angle and motor speed has great impact on the vibrating system and stuff feed speed of grain clearing equipment. 振动方向角和电机转速对粮食清理设备的振动体制和物料推进速度有很大影响。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- Adjustment of the vibration direction angle of vibration screen 振动筛振动方向角的调整
- The principal shareholder ask for a meeting. 主要股东们要求召开会议。
- The agent spoke on behalf of his principal. 代理人代表他的委托人说话。
- Keys are available on application to the principal. 向校长申请就可得到钥匙。
- She's been downgraded (from principal) to deputy. 她已(从校长)降为副校长。
- Our principal problem is lack of time. 我们的主要问题就是缺少时间。
- In a little while we lost our sense of direction. 一会儿我们就辨不清方向了。
- She drank in every word of the principal's lecture. 她全神贯注地听校长演讲的字字句句。
- John informed the principal against Paul. 约翰向校长告发了保罗。
- The signpost points in a westerly direction. 路标指向西。
- The central or principal vein of a leaf. 中脉中心的或主要的叶脉
- The principal discouraged unexcused absences. 校长不准无故缺课。
- Rubber is the country's principal export. 橡胶制品是该国主要的出口产品。
- Are we going in the right direction? 我们走的方向对吗？
