subcalibre

例句：

1. 1. The subcaliber of the sun is 90 degrees.
   太阳的子午线是90度。
2. 2. The subcaliber of the earth's axis is 23.5 degrees.
   地球轴的子午线是23.5度。
3. 3. The subcaliber of the moon is 27.3 degrees.
   月亮的子午线是27.3度。