What's happening here is that a Circle handle is being passed into a function that's expecting a Shape handle.

到底发生了什么，一个圆句柄被这个函数接受因为它是一个形状句柄。

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Use to add a dimension to an arc or circle. Place endpoint at arc center, control handle on arc.

用于向弧或圆添加尺寸。将端点放在弧中心上、控制手柄放在弧线上。

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This is not only a new welcome theory in the administrative law circle, but also a difficult subject needing to handle in the administrative practice and judicial practice.

这是行政法学理论界的新热点，也是行政执法实践和司法审判实践中遇到的亟待解决的问题。

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