point entity meaning in Chinese
点实体
Examples
- Based on the method expressing the positional uncertainty of point entities in surveying and mapping , uncertainty ellipse was employed to characterize the uncertainty region for the error dispersal of 2d target ' s position , and uncertainty ellipsoid for the 3d target . 1 - uncertainty ellipse was derived from positional error covariance
借鉴测绘学科中衡量点元位置不确定性的方法，分别用椭圆和椭球来表示二维目标和三维目标的位置误差散布的不确定性区域。