annularity

annularity的英语例句

1. The table below shows solar eclipses with more than 8 minutes of annularity.

   下表显示环食时间达8分钟的日食.

2. In this eclipse, the Observatory is slightly off the track of annularity ( by 10 km ).

   这次日食中, 天文台于 环食 带10公里外.