saros
'seәrɔs
基本解释
[天]沙罗周期(计18年又11.5天, 为日蚀和月蚀关系的反复周期)
英文释义
n. A Chaldean astronomical period or cycle, the length of which
has been variously estimated from 3,600 years to 3,600 days, or a
little short of 10 years.
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