题目内容
A new version of a faulty module is a(n):
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If a product is to be ported to different machines then different versions are called:
A tool that can automatically manage multiple versions is a(n):
Below which level in the SEI's CMM shouldn't you introduce a CASE tool into an organisation?
商品品牌之间有明显差别，但消费者不专注于某一产品，而是经常变换品种，这种行为属于（ ）
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