Unverified80% confidenceFactTime unknown
软件工程领域的经典研究表明，代码编写仅占软件总生命周期成本的约20%，而维护占据了剩余的80%
1
Sources
80%
Confidence
Long-term
Relevance
6/3/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedOne year after submission, approximately 70% of code written by senior human developers remains in the project, whereas the survival rate of agent-generated code averages only around 50%, with the lowest being below 40%.79% similarUnverified通常80%的时间消耗集中在20%的代码中77% similarUnverified单纯看教程的知识留存率约为20%，而动手写代码做项目的留存率能达到75%至90%76% similarVerifiedAccording to research from the Carnegie Mellon University Software Engineering Institute, coding work typically accounts for only 15%–20% of the total effort in large software projects.70% similar
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