The paper analyzes and calculates the sediment coming from the sea by utilizing the observed hydrological and tidal data of the Yellow River estuary.
利用黄河口实测水文及潮汐资料分析计算了海向来沙情况。
In this paper, the observed land surface height data and tidal data in the Yellow River delta foreland area are used to describe the variations in depth datum and tidal level in the area.
通过黄河三角洲前沿陆地高程的变化和验潮获得的资料，介绍了黄河三角洲前沿深度基准面的变化和潮位变化情况。
For the need of the development of the Qinhuangdao port, based on the observed tidal data of many years at the port, the design water level and the check water level are calculated in this paper.
鉴于秦皇岛港工程开发的需要，本大根据该港多年实测潮汐资料，推算了该港的设计水位和校核水位。
The removal of the non-tidal drift from the observed gravity data is one necessary job for studying and predicting earthquakes by using the observed gravity data, the usual method used is b.
消除零漂是应用重力观测资料研究、预报地震的一项必不可少的工作。
The removal of the non-tidal drift from the observed gravity data is one necessary job for studying and predicting earthquakes by using the observed gravity data, the usual method used is b.
消除零漂是应用重力观测资料研究、预报地震的一项必不可少的工作。
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