《Tetrabiblos》The Quality And Nature Of The EffectClaudius Ptolemy（Ashmand 英譯 1822）
The time of their continuance shows the duration of their effect; and their position, with regard to the Sun, the period when it will commence; as, if they first appear matutine, they denote an early commencement; but, if vespertine, that it will be late and tardy.
段落 tetra-2-thequality-54public-domain (Ashmand 1822)
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