“elevation control survey”的概念、定义、翻译、参考文献-科学参考

单词	elevation control survey
释义	elevation control survey Encyclopedia 工学铁路控制测量释 elevation control survey铁路高程控制测量为铁路工程勘测设计、线下工程施工和轨道施工、运营维护提供高程控制基准，采用水准测量、三角高程测量方法测定控制点高程的测量工作。
随便看	convex polyhedron convex polyomino convex polytope convex-preserving fitting convex process convex processes convex program convex programming convex programming problem convex quadrangle convex quadratic programming convex quadrilateral convex region convex regularization convex relation convex semigroup convex sequence convex set convex solid convex space convex structure convex subgroup convex sublattice convex subset convex surface

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