... 低水平测量 low-level counting; low-levelcounting 水平测量 horizontal survey; level survey; leveling survey; rigging; take sights 水平测量图 rigging diagram ...
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GPS leveling survey GPS水准测量
regional leveling survey 区域性水准测量
four grade leveling survey 四等水准测量
leveling survey crossing fractures 跨断裂水准剖面
leveling aeromagnetic survey 水平空中磁测
International research on the digitalization of leveling survey started from 1980s.
国际上对水准测量数字化的研究起始于上个世纪80年代。
There are a lot of shortcomings in traditional optical leveling survey. It includes too intensive labor, low efficiency and difficult afterward data processing.
但传统的光学水准测量也存在着劳动强度大、测量效率低下、测量数据的后续处理不方便等缺点。
The method can achieve fourth-grade leveling survey precision demand by precision analysis, and then brings forward some measure to increase observation precision.
通过精度分析，该方法可达到四等水准测量的精度，提出了提高观测精度的相应措施。
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