| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024n/a, + - Abbreviationsnot applicable.
WordReference Random House Unabridged Dictionary of American English © 2024na (nä, nə),USA pronunciation [Chiefly Scot.]adv. - Scottish Termsno.
- Scottish Termsnot;
in no way;
by no means.
conj. - Scottish Termsnor;
neither.
- bef. 900; Middle English (north and Scots); in part representing Old English nā (n(e) not, nor + ā ever; compare ay1); in part variant of ne; compare no1
- not applicable.
- not available.
Na, [Symbol, Chem.]- Chemistrysodium.
n/a, - no account.
- Abbreviationsnot applicable.
N.A., - MilitaryNational Army.
- North America.
- not applicable.
- Optics[Micros.]See numerical aperture.
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