“topaz”的概念、定义、翻译、参考文献-科学参考

单词	topaz
释义	topaz [`tō´paz] ^MINERALOGY Al₂SiO₄(F,OH) A red, yellow, green, blue, or brown neosilicate mineral that crystallizes in the orthorhombic system and commonly occurs in prismatic crystals with pyramidal terminations; hardness is 8 on Mohs scale, and specific gravity is 3.4-3.6; used as a gemstone.
随便看	straining beam straining piece strain insulator strain propagation strain rate strain relief method strain restoration method strain rosette strain seismograph strain seismometer strain shadow strain-slip strain-slip cleavage strain tensor strait strake strand strand burner stranded caisson stranded conductor stranded-floe ice foot stranded ice stranded ice foot stranded wire strand flat

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