| 释义 | A1
 A1(ˈeɪˈwʌn) ,A-1orA-oneadj1.  (Military) in good health; physically fit2. informal first-class; excellent3.  (Nautical Terms) (of a vessel) with hull and equipment in first-class conditionIdiomsSeeA-1a1enUS
 A1, A-1, A-one (of a vessel) with hull and equipment in first-class conditiona1(language)Address 1 code.
 An a1 code interpreter, by Matthew Newhook was used to test compiler output. Itrequires gcc 2.4.2 or higher and is portable to computerswith memory segment protection.
 
 ftp://ftp.cs.mun.ca/pub/a1.
 A1
 A1A member of the Bcl-2 protein family encoded by BCL2A1, which counteracts apoptosis by growth-factor withdrawal. A1 expression permits accumulation of differentiated myeloid cells both before and after IL3 withdrawal. Murine A1 is a homolog of human BFL-1.A1
 A1A subset of the third-highest bond rating by Moody's. The other subsets are A2 and A3, both of which are slightly lower. Bonds with an A1 rating are investment-grade, meaning that banks are allowed to hold them. Bonds with A1 ratings are low-risk and low-return, though not as much as Aa and Aaa ratings. The rating is equivalent to the A+ rating by S&P and Fitch.A1
 ThesaurusSeeA-one| Acronym | Definition | 
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 | A1➣Mobilkom Austria |  | A1➣Excellent (rating) |  | A1➣General Audiences (Catholic movie rating) |  | A1➣Angel One (paintball) |  | A1➣Atropine 1% (medical product) |  | A1➣Adenosine Subtype-1 Receptor | 
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