《Tetrabiblos》The Periodical Divisions Of TimeClaudius Ptolemy（Ashmand 英譯 1822）
Thus, the ingresses made by Saturn, on places of general periods, require special observation; those made by Jupiter, on places of annual periods; those made by the Sun, Mars, Venus, and Mercury, on monthly places; and the Moon’s transit over daily places.
段落 tetra-4-theperiodi-36public-domain (Ashmand 1822)
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