The Assessment and Foundation of Bell-Shaped  Testability Growth Effort Functions Dependent System  Testability Growth Models Based on NHPP

<div>The testability growth chart in the whole life-cycle.</div>

Mathematical Problems in Engineering

fig3

Figure 3

Figure 3: The Assessment and Foundation of Bell-Shaped  Testability Growth Effort Functions Dependent System  Testability Growth Models Based on NHPP 

Figure 3 | The Assessment and Foundation of Bell-Shaped  Testability Growth Effort Functions Dependent System  Testability Growth Models Based on NHPP 