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- principal vertical circle (observer's meridian) 子午圈
- principal vertical circle 天球子午圈
- The angular distance along the horizon from true east or west to the intersection of the vertical circle of a celestial body with the horizon. 天体出没方位角沿地平线从准确的东或西方向到一个天体与地平线竖直圈交叉角的角距离
- four principal vertical position 四个主要垂直装置
- Index error of vertical circle, vertical collimation error; 竖盘指标差;
- She only unbends in the family circle. 她只在家庭环境里才不拘束。
- SLON vertical circle pulse gradient magnetic separator SLON立环脉动高梯度磁选机
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- The vertical line meets the horizontal one here. 垂直线与水平线在此相交。
- The principal shareholder ask for a meeting. 主要股东们要求召开会议。
- Demonstration experiment of the object movement around the vertical circle 物体在竖直圆上运动的演示
- 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。
- The children formed a circle round her. 孩子们在她周围围成了一个圈。
- We've booked seats in the circle. 我们预订了楼厅包厢的座位。
- 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。
- He has a large circle of friends. 他有一大群朋友。
- She moves in a very small circle. 她的活动圈子很小。
- 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。