If the model is complex-perhaps a diagram showing a nuclear reactor going critical-the decisions on how to prevent a meltdown will be complex.
如果是复杂模型，例如一张显示着将进入临界状态的核反应堆的图表，则做出如何防止熔炉的决策会很复杂。
2
What is critical is that the step Numbers correspond to those in the use case and the general idea of the step is apparent to the reader of the diagram.
关键是，步骤号要与用例中的步骤号对应起来，使图的读者能够清楚地了解步骤的大体思想。
3
With energy based on the critical characteristics of voice recognition technology, optical distance measurement diagram.