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requirements 音标拼音: [rɪkw'ɑɪrmənts] 需求 需求 requirements 需求 defines what the potential users want the system to do. In modern methods these requirements should be testable, and will usually be traceable in later development stages. A common feature of nearly all software is that the requirements change during its lifetime. See {software life-cycle}. (1995-11-11)
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