cross river water level datum 跨江水准测量
revision of level datum relation 水准基面关系修订
datum water level 基准水平面 ; 水位零点
datum level of erosion 侵蚀基准面
datum-level temperature 基准面温度
chart datum level 海图基准面海图基准线
corrected datum-level pressure 折算基准面压力
datum of tidal level 潮位基准面 ; 潮位零点
With the idea of the datum plane linking the two shops at a higher level, the shops are actually conceived as separate and independent entities on the ground.
基准面在更高的层层连接这两个商店的概念，而在地上作为单独的实体商店。
There is a close correlation between sea level slope and height datum, in which geodesylists and oceanographers are interested.
海面倾斜与高程基准密切相关，它已经受到大地测量学界和海洋学界的重视。
The transforming of survey datum and the control of axis, vertical level, elevation are of great importance on controlling quality of high-rise building construction.
在高层及超高层建筑工程中，测量基准传递和轴线、垂直度、高程控制是建筑物施工质量控制的重点内容之一。
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