superhard
Having a very high hardness. / (not comparable, mineralogy) Having a hardness between that of boron nitride and diamond.
(biology, ecology) A biological nanosystem
(archaic) second-person singular simple present form of scale
(Canada, Philippines) First grade.
研究チームは、過酷な環境下でドリルビットを保護する新しい極めて硬いコーティングを開発しました。
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DiQt
Free
★★★★★★★★★★