[KongchangAI]
Unverified50% confidenceFactExact time

The V-model originates from systems engineering and software engineering and is a lifecycle model that pairs each development phase one-to-one with a verification phase, with the left descending branch being requirements analysis, system design, architecture design, and detailed design, and the right ascending branch being unit testing, integration testing, system testing, and acceptance testing.

1
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50%
Confidence
Long-term
Relevance
10/19/2026
First Seen

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