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- Abstract： The system control structure which can realize adjusting speed and diff erency frequency double closed circle adjusting speed of the general frequency c onverter is introduced. 介绍了采用通用变频器实现转速、转差频率双闭环调速系统控制结构，在实验基础上对起动过程进行了分析。
- She only unbends in the family circle. 她只在家庭环境里才不拘束。
- A kind of closed circle adjusting speed system of general frequency converter 一种通用变频器闭环调速系统
- 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。
- He has a large circle of friends. 他有一大群朋友。
- The water pressure may need adjusting. 水压可能需要调整。
- She moves in a very small circle. 她的活动圈子很小。
- He has a wide circle of acquaintances. 他交游甚广。
- A planar region bounded by a circle. 圆形区，圆形空间被圆所包围的一个平面区域
- Could I adjust to Chinese life at72? 七十二岁的我能适应中国的生活吗？
- A square has four sides but a circle has no sides. 正方形有四条边，而圆形没有边。
- Sorry, exercise circle is sold out. 对不起，健身圈卖完了。
- I must adjust my watch, it's fast. 我的表快了,我得把它校准。
- He has only a narrow circle of friends. 他交游不广。
- Astronauts in flight must adjust to weightlessness. 宇航员在飞行中必须适应失重状态。
- The axis of a circle is its diameter. 圆的轴线是其直径。
- She must learn to adjust herself to English life. 她必须学会适应英国的生活。
- This is a device for squaring the circle. 这是一个不可能实现的方案。
- The students sit in a circle on the floor. 学生们在地板上坐成一圈。
