Some matters needing attention on selection of the scale and the size of drawing sheets in CAD for chemical equipment were presented in this paper.

针对化工设备CAD中的比例和图幅选择，故提出应注意的几个问题。

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You define the fixed size of the canvas in the element itself, and then typically you do the actual drawing from a script that uses the canvas API to create visual objects on the canvas.

首先在元素本身中定义画布的固定大小，然后利用使用 canvas API 在画布上创建可视化对象的脚本来实际绘画。

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An added benefit to the vector nature of Cairo drawing is that vector images tend to be smaller in size.

cairo采用矢量绘图还有一个优点：矢量图像往往比较小。

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It also means that Sony can reduce the size of the bezel and frame around the screen, giving more emphasis to the pixels and drawing your eye away from the physical size of the phone.

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Last week, the company also took the wraps off its 2014 Chevrolet Silverado and GMC Sierra full-size pickups, drawing mostly positive reviews of the vehicles.

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