n.d是什么意思_n.d的用法_翻译_读音

- n. 未注明出版日期
释义常用度分布图

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英英释义
名词 nd:

a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium

a state of north central United States bordering on Canada
临近单词

n v n n-amyl alcohol N.L.R.B. n-proplbenzene nvane type relay N priming effect N-balance test nno load opening n-propyl ether N-P-codoping N.K.V.D.

n.d