Another issue is the versions of rendering engines.

另一个问题是渲染引擎的版本。

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Each editor has its own quirks, levels of Web standards compliance, and choice of page rendering engines.

每个编辑器都有其自身的特点、对Web标准的遵从程度和对页面呈现引擎的选择。

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It also makes the point that you can get decent imagery fast without complicated models or rendering engines.

它同样还说明了一点，那就是你能够快速地得到一个非常好的意向，而不需要复杂的模型和渲染的操作。

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But what happens is that as the gestures pile up, or more and more objects are being manipulated simultaneously, the rendering engines choke and the smoothness of the movement pauses or breaks altogether.

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