... subsurface engineering 地下工程学 subtense technique 视距法 suction mat unit 抽吸网垫装置 ...
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夹角视距法 subtense measurement ; subtense measurement west bank
扩大视距法 Chapter eight
平板仪视距法 plane-table tachymetry
视距法测距 stadia measurement
角视距法 angular tacheometry
视距测量法 tachymetry ; stadia ; [测] tacheometry
视差法测距 subtense method distance measurement ; distance measurement by subtense method ; subtense method with horizontal staff
视距测距法 tacheometry
视角测距法 base substend system
介绍了中丝视距法测量水平距离和高差的基本原理及计算公式，并对其测量精度进行了分析。
This paper introduces a basic principle and calculation formula of measuring the horizontal distance and elevation difference by central hair stadia, and analyzes its measuring precision.
针对非视距环境下多站定位方法需要资源量大、成本高且定位精度受非视距传播影响大等问题，本文提出了单站定位的伪目标动态可行域约束法。
A location method aiming at suppressing NLOS errors in cellular networks using single observer is proposed, which is named by pseudo-target dynamic feasible region constraint method.
直升机对超视距目标定位法，是目前各国海军水面舰艇进行反舰导弹超视距攻击时的主要定位方法之一。
Positioning on the over-the-horizon target using helicopter now is one of the main location method to attack for antiship over-the-horizon missile in naval surface ship.
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