《Tetrabiblos》The Terms According To PtolemyClaudius Ptolemy（Ashmand 英譯 1822）
Since, however, there are some cases in which a planet has always a double right—(for Venus obtains the sole government of Taurus and Pisces, as the Moon does not share in the terms)—it is to be observed that when such double right (whether it exist in the same sign or in the signs next following as far as may complete a quadrant) may be possessed by any planet, that planet receives in addition one degree.
段落 tetra-1-thetermsac-8public-domain (Ashmand 1822)
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