By web-searching, it seems to be a term for esoteric science, similar to prana, qi(氣), ether, etc. in traditional natural philosophy. Thanks for interesting source.
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By web-searching, it seems to be a term for esoteric science, similar to prana, qi(氣), ether, etc. in traditional natural philosophy. Thanks for interesting source.
It can help with the weather and therefore ur garden :)