The article introduces the "Three Kingdom (3K) system" as a novel, overarching hierarchical classification framework for all astronomical objects, addressing the current lack of a universal ...
PR1, W1, T51, F58, SL4, KL3, SM11. This is not a test to crack a code. But you will see a series of letter and number combinations while engaging with the Paralympics in Paris. At the Olympics, there ...
The US National Vegetation Classification (USNVC) provides a national, conceptual framework for classifying, inventorying, and studying both cultural and natural vegetation of the U.S. It provides a ...
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