削: pare; whittle; cut蚀: lose到: 39基准面: base level; datum plane; ref ...的: 4次方是 The fourth power of 2 i ...理论: theory基准面的换算: transfer of datum统一基准面的: flat datum指定基准面的显示: specifying the display of the datum切到基准线: cut-off to grade带零基准面的三维网线图: meshz基准面: base level; datum plane; reference plane; reference surface基准；基准面: datum基准线；基准面: datum line理论最低低潮面(曾用名“理论深度基准面”): lowest normal low water安装基准面: erection datum plane; erection reference plane剥蚀基准面: base level of denudation爆破基准面: shot datum标准基准面: standard datum plane冰川基准面: glacier table参考基准面: reference datum参考面, 基准面: reference surface参考面，基准面: reference surface测深基准面: sounding datum潮高基准面: tidal datum plane
