请注意这两个部分是如何依赖于无线电遥控元件的超可靠的备份技术的。
Note how both these parts rely on R/C components as the ultra-reliable backup technology.
同样,您几乎总是在子代方法主体的开始或结束部分调用超类方法。
Likewise, you almost always call a superclass method at either the start or end of a descendent method body.
有了超流程状态节点你可以查询你所等待的流程阶段是哪一部分。
With Super States you can ask which phase of the process you are waiting for.
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