为了确保渲染的效果图和我们的图像尺寸相同，执行窗口右侧的 渲染树>渲染 ，并设置高度和宽度为3613和5000 。

To make sure the rendering will have the same dimensions as our piece, on the right side go to Shader Tree > Render and set the width/height of the scene to 3613/5000.

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其中一个示例是Ext . Window组件，在您的应用程序中很多窗口属性都是相同的，例如，宽度、高度和标题。

An example of this would be an Ext.Window component, where in your application many of the properties of the window are always the same, for example width, height, and title.

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这两个属性的值可以是数字，表示绝对像素大小，也可以是百分比，表示相对于浏览器窗口高度和宽度的百分比大小。

Both attributes accept either a numeric value, indicating an absolute size in pixels, or a percentage, indicating the size as a percentage of the browser window height and width.

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