The seismic precursor abnormal information extraction of tilt solid tide usually based on the distortion, tendency, elevation, fall, break and so on characteristics of solid tide.
地倾斜固体潮分析中根据固体潮汐的畸变、趋势、上升、下降、转折等变化特征，提取地震前兆异常信息。
The level of the ocean's surface, especially the level halfway between mean high and low tide, used as a standard in reckoning land elevation or sea depths.
海洋表面的水位，尤其是在平均高水位和低水位之间的平均位置的水位，用作计算陆地海拔和海水深度的标准。
In the plane layout of double dikes, the sudden expansion or contraction should be avoided. The elevation of the top of the dike should be identical with middle tide level.
双导堤平面布置不宜呈突然扩大或收缩状，堤顶高程宜与中潮位一致。
The anomaly pattern is mainly expressed as the elevation and subsidence of water level, distortion and phase disturbance of solid tide form of water level, and typical 'impending rebound "and so on."
异常形式主要表现为水位升降，水位固体潮形态畸变和相位错动以及典型的“临震回跳”等。
The anomaly pattern is mainly expressed as the elevation and subsidence of water level, distortion and phase disturbance of solid tide form of water level, and typical 'impending rebound "and so on."
异常形式主要表现为水位升降，水位固体潮形态畸变和相位错动以及典型的“临震回跳”等。
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