名词
中文翻译：Unknown
同义词：
['B-2 bomber', 'B-2 stealth bomber']
例句：
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1. The B-2A was the first supersonic bomber to enter service.
B-2A是第一种进入服役的超音速轰炸机。
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2. The B-2A is equipped with advanced radar technology.
B-2A配备了先进的雷达技术。
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3. The B-2A is a symbol of the United States Air Force's technological prowess.
B-2A是美国空军技术实力的象征。