The diurnal springs correspond to the semidiurnal neaps and vice versa.
全日潮大潮对应于半日潮小潮，反之亦然。
2
In the marginal seas adjacent to Yantai, tides are regular semidiurnal tides; and tidal currents are diurnal currents.
在烟台外海，潮汐属于正规半日潮性质，而潮流属于日潮流性质。
3
The tide admittance analysis for the semidiurnal wave of the earth tide by use of the vector pattern of ground tilt observed at seismostations is expounded.