datum mark

datum mark的基本解释

n.

基准点, 标高

与datum mark相关的网络例句 [注：此内容来源于网络，仅供参考]

During construction of Donghai Bridge of Yangshan Deep-water Port, bedrock bench mark, which is an important surveying datum mark, played an important part in control survey and elevation transmission.

基岩标是重要的测量基准设施，在洋山深水港东海大桥的工程建设中发挥了控制测量与高程传递的重要作用。

As we known, common Loran - C receiver employs a fixed da- tum - mark in order to avoid interference caused by skywave, as the SNR is often poor at this point due to the amplitude limit of the pulse envelope, so it greatly increases time for tracking the datum - mark.

常规接收机为了防止天波干扰，将基准点设置在一个固定位置上，导致基准点处信噪比受包络限制而较低，从而大大增加了对准基准点的时间。

The surface subsidence in the Yellow River delta foreland area brings changes to the land surface height there, and the depth datum in the bathymetric survey is determined on the basis of the level of land bench mark, so the changes in the level of land bench mark will affect the determination of depth datum and the accuracy of bathymetric survey.

国家海洋局，第一海洋研究所，山东青岛 266061文章摘要：黄河三角洲前沿的陆地由于受地面沉降的影响，使地面高程不断发生变化。在水深测量中，深度基准面是根据陆地水准点高程确定的，陆地水准点高程的变化影响深度基准面的确定，从而影响水深测量的准确性。

与datum mark相关的网络解释 [注：此内容来源于网络，仅供参考]

datum mark：基准记号

datum location 基准地点 | datum mark 基准记号 | datum plane 基准面

datum mark：水准点

datum 基准面 | datum mark 水准点 | daubing 石面凿毛

reference point, zero point, datum mark：基准点

基准标高datum grade | 基准点reference point, zero point, datum mark | 基准线reference line, zero line