While fixing all embedded parts and embedded bolts, high precise level meter is required for measurementofelevation.
所有预埋件及预埋螺栓固定时均高精度水准仪测定其标高。
2
Using UD decomposing to modify EKF Particle filter was imported into the navigation scheme based on the measurementofelevation Angle of star.
用UD分解改进EKF粒子滤波算法，并将其应用于基于星光仰角测量的探测器自主导航方案。
3
This provided a precise measurementof the elevation and coordinates of the highest point on the moon, which measures 35, 360 feet altitude — 6, 400 feet higher than Everest.