nada
abbr. 美國汽車經銷商聯合會(the National Automobile Dealers Association)
學術名詞
- 納達:外國地名
- 鈉達合金{含3.5-4%Ni與3.5-4%Sn,0.7-1%Pb,其餘為Cu之電阻合金}:金屬材料
英文釋義
- a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential