《Tetrabiblos》The Time And Period Of The EventClaudius Ptolemy（Ashmand 英譯 1822）
The time, during which the obscuration of the eclipse may continue in each country, is then to be noted in equatorial hours.[86] And, after these particulars have been carefully observed, it is to be understood that the effect will endure as many years as the obscuration lasted hours, provided the eclipse was solar; but if lunar, a like number of months is to be reckoned instead of years.
段落 tetra-2-thetimeand-4public-domain (Ashmand 1822)
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