虽然用画布、CSS属性如border - radius，或者就用纯背景图，今天画曲线已经容易多了，但是仍然不常见。

While it's much easier today to make curves on web pages using the canvas, CSS properties like border-radius, or just plain background images, it's still not always trivial.

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由这个背景所产生的纯bpm产品旨在通过软件自动化来简化对这类业务过程的描述。

The pure play BPM products that come from this background aim to ease the automation of software support for such business process descriptions.

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背景色调通常采用简单的纯白色/灰色或纯黑色

Plain, solid white/gray or solid dark backgrounds are common

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