freeze the basal plane的意思|示意
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冻结基面
freeze the basal plane的网络常见释义
冻结基面 ...：绝对基面、冻结基面、测站基面、水准点高程、基面关系式 [gap=327]Key words: absolute basal plane, freeze the basal plane, the station surface, elevation of the level point, the base surface relationsh..