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- horizontal meridian circle 水平子午仪
- A large reflect meridian circle is an instrument for the absolute determination of the declination and right ascension of a star. 大型反射子午环是用来绝对测定恒星赤经和赤纬的仪器。
- Keywords astrometry,meridian circle,CCD,control system,data processing; 天体测量;子午环;CCD;控制系统;数据处理;
- A meridian is an imaginary circle. 子午线是假想出来的一个圆圈。
- She only unbends in the family circle. 她只在家庭环境里才不拘束。
- The vertical line meets the horizontal one here. 垂直线与水平线在此相交。
- 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。
- The sun rises from the horizontal line. 太阳从地平线上升起。
- 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。
- Please put your armrest into horizontal position for landing. 降落时请将座位扶手放于水平位置。
- the meridian circle 子午环
- He has a wide circle of acquaintances. 他交游甚广。
- horizontal meridian (眼球)水平子午线
- 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
- The horizontal beam on a cross or gallows. 横梁十字架或绞架上的水平横梁
- 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。
- horizontal meridian of eye 眼(球)水平子午线