那种按比例放大的智能手机，在我们看来是非常不寻常的。

Kind of a scaled up smartphone, which is a bizarre product in our view.

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该公司还将Betty按比例放大到了18米，命名为Vikki。

The company has also scaled up the aerostat itself to the 18-metre-wide Vikki.

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空气动力学性能是否能在飞机的尺寸和速度上按比例放大，则是另外一件事情。

And whether any aerodynamic effects could scale appropriately for aircraft sizes and speeds is another matter.

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