《Tetrabiblos》Mode Of Particular Prediction In EclipsesClaudius Ptolemy（Ashmand 英譯 1822）
These planets are Saturn, Jupiter, and Mars; and they furnish portentous indications, when they are stationary. Another branch relates to time, and gives pre-information of the period at which the event will occur, and how long it will continue to operate.
段落 tetra-2-modeofpart-4public-domain (Ashmand 1822)
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