elliptical spring 中文意思是什麼
-
Quadrate or elliptical spring
方環，橢圓環等 -
Since the elliptical orbits of the moon and the earth and the tilt of the earth s rotation axis also affect the forces exerted by the moon and the sun on the earth, the highest and lowest sea levels associated with spring tide are different from month to month
此外，由於月球運行及地球公轉的軌道呈橢圓形，及地球自轉軸傾斜的影響，令月球和太陽的引力出現變化，因此，每月的大潮所引致的水位變化亦有所不同。
分享友人