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。
2
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。
3
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.