AB Negative is a rare blood type.
AB型阴性是一种罕见的血型。
The syntactic properties of va can be accounted for if a va question is analyzed as an AB-not-A question, with va playing the role of negative and interrogative morpheme at the same time.
如果将带“（口伐）”问句分析为正反选择问句，将“（口伐）”分析为包含否定与选择疑问两种功能，这些句法特性就可以得到合理的解释。
The truth is that most, if not all, are in reality cathode-biased, non-negative feedback class AB amplifiers, contrary to what the manufacturer's literature may say.
事实是，大多数，如果不是全部的话，是在现实中的阴极偏见，非负反馈ab类放大器，相反的是制造商的文学可以说。
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