tidal variation造句

Observation and study of the tidal variation in gravity field
重力场的潮汐变化观测及其研究
Harmonic method : the representation of tidal variations as a sum of harmonics known as constituents each of different frequency , amplitude and phase
调和法：将潮汐变化分解为不同频率，振幅和相位角的谐波(即分潮)的方法。
Tidal variations are mainly caused by the gravitational attractions of the moon and the sun . near new moon or full moon each month , the earth , moon and sun are aligned along a straight line and the sea - level rise and fall will have a larger range . this is called a spring tide
潮汐变化主要受月球和太阳的引力影响，每月的新月或满月前后，地球月球和太阳三者连成一线，水位会升得特别高和降得特别低，这现象称之为大潮或天文大潮。
Tidal variations are mainly caused by the gravitational attractions of the moon and the sun . near new moon or full moon each month , the earth , moon and sun are aligned along a straight line and the sea - level rise and fall will have a larger range . this is called a spring tide
潮汐变化主要受月球和太阳的引力影响，每月的新月或满月前后，地球、月球和太阳三者连成一线，水位会升得特别高和降得特别低，这现象称之为大潮或天文大潮。
It's difficult to find tidal variation in a sentence. 用tidal variation造句挺难的