“trigonometric leveling”的概念、定义、翻译、参考文献-科学参考

单词	trigonometric leveling
释义	trigonometric leveling Encyclopedia 工学高程控制测量释 trigonometric leveling三角高程测量通过观测两点间的距离和天顶距（或高度角）求定两点间高差的方法。
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