《Tetrabiblos》The Degree AscendingClaudius Ptolemy（Ashmand 英譯 1822）
After this has been done, the new or full Moon, whichever it may be, that may take place next before the time of parturition, must be observed: and, if a new Moon, it will be necessary to mark exactly the degree of the conjunction of the two luminaries; but, if a full Moon, the degree of luminary only which may be above the earth during the parturition.
段落 tetra-3-thedegreea-6public-domain (Ashmand 1822)
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