《Tetrabiblos》The Signification Of MeteorsClaudius Ptolemy（Ashmand 英譯 1822）
And, for the diurnal state of the atmosphere, the Sun’s rising should be remarked; for the nocturnal state, his setting; but the probable duration of any such state must be considered by reference to the Sun’s configuration with the Moon; for, in most cases, each aspect, made between them, indicates the continuance of a certain state until another aspect shall take place.
段落 tetra-2-thesignifi-2public-domain (Ashmand 1822)
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