ABC 《略》 Air Bridge to Canada; alum, blood, clay and charcoal ABC 下水処理法《沈澱剤としてこれらを用いる》; America, Britain and Canada; American Book-prices Current; American Bowling Congress; American Broadcasting Companies Inc. (⇒CBS); Argentina, Brazil and Chile; Associated British Cinemas; atomic, biological and chemical; Audit Bureau of Circulations (米国)新聞雑誌部数公査機構; Australian Bankruptcy Cases; Australian Broadcasting Corporation オーストラリア放送委員会; 【テレビ】 automatic brightness control 自動輝度調節.