geologic time scales
An especially large company with very many divisions.
plural of geologic time scale
(mineralogy) An orthorhombic-dipyramidal mineral containing boron, fluorine, and sodium.
Third-person singular simple present indicative form of dead-pan
研究者たちは、堆積層を大陸間で比較して、地質時代区分と地球の古気候をより深く理解しようとしている。
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