The producls have no orientation property, which can be added in the hub with your design.

本品无中心定位功能，如须此功能，请在轮毂上自行设计；

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Mobile Safari defines an onorientationchange event handler and a window.orientation property to handle the orientation events.

Mobile Safari将定义onorientationchange事件处理程序和window . orientation属性以处理方向事件。

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This may be due to an unset Orientation property for the axis or a type mismatch between the values being plotted and those supported by the axis.

这可能是因为轴线的一个未设置的Orientation特性或者所标绘的值与轴线支持的值之间存在类型不匹配。

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