| 释义 |
初亏chūkuī日食或月食过程中,月亮和太阳圆面或地球阴影和月亮圆面第一次外切时的位置关系,也指发生这种位置关系的时刻。初亏是日食或月食过程的开始。{1st contact, beginning of a solar or lunar eclipse; during a solar or lunar eclipse, the relative position between the moon and the sun or between the shadow of the earth and the moon when they first become tangential; moment when this occurs} |