“param”的英英意思

单词	param
释义	param Chem.|ˈpæræm| [f. para-1 2 + amide.] A synonym of dicyanodiamide, C2N2 (NH2)2, a white crystalline compound, a polymer of cyanamide. 1866–77Watts Dict. Chem. IV. 350 Cyanamide changes into param when left to itself for a long time.1877Fownes' Chem. II. 106 Dicyanodiamide, C2N4H4 (Param).

　

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