《Tetrabiblos》Mode Of Consideration For Particular Constitutions Of The AtmosphereClaudius Ptolemy（Ashmand 英譯 1822）
At all such positions the particular constitutions of the atmosphere are subject to variation, and thus become alternately more intense or more relaxed in their respective qualities.
段落 tetra-2-modeofcons-21public-domain (Ashmand 1822)
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