Accordingly, it requires much higher detecting precision on the position of spherical circular hole, and adopting noncontact measuring methods when detecting.
相应地，对球面圆孔位置的检测精度提出了很高的要求，并且检测时要求采用非接触测量形式。
参考来源 - 球面孔系坐标非接触测量系统的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
It is a circular hole with a diameter of 305 metres and 123 metres deep.
蓝洞是一个直径为305米，123米深的圆型大洞。
In the middle of the room was an open fire. Above it a large circular hole in the ceiling, through which we gazed at the stars like diamonds.
餐室中间有一处篝火，上方的屋顶上开着一个大圆孔，透过圆孔我们可以仰望钻石般闪亮的星星。
The results of scattering energy for a circular hole are given.
最后给出了圆孔周围能量散射的数值结果。
应用推荐