高程导线代三等水准测量可行性探讨及施测中边长超限原因分析
고정도선대삼등수준측량가행성탐토급시측중변장초한원인분석
The Feasibility Study on the Replacement of Grade 3 Leveling Survey with the Height Traverse and Analysis on the Reasons of Side Length Exceeding the Limits during Surveying
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