绝大多数的软件测试存在着不完全排错和学习过程等现象，这些现象通常反映了实际测试的成本使用情况。
Imperfect debugging and learning process exist in most software testing processes which usually reflect the actual cost in software testing process.
同时，考虑到软件排错过程中新错误的引入和错误的不完全排除等情况，提出了一种考虑测试效率的可靠性模型。
Meanwhile, perfect debugging and imperfect debugging in the test process are also considered, and a new NHPP model with respect to test efficiency is proposed.
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