实际上每一个电脑合成实物都有一个复杂的数学模型做为基底或者模胚。
Virtually every computer-generated solid has an explicit mathematical representation as a meshed surface or volume.
这仅适用于虽然如果合成的应用程序相同的渲染引擎，这意味着他们的需求，相同的colourspace的数学计算。
This only works though if the compositing application does the same mathematical calculations as the render engine, which means the colourspace they're operating in needs to be identical.
为了能够实现这一点，你的URL必需是要注重实用性的，就几乎仿佛它们就是数学方程序一样——许多简单的规则组合成一种策略性的方式，以此来获得他们想要的页面。
In order to achieve this, your URLs will need to be pragmatic. Almost like they were a math equation - many simple rules combined in a strategic fashion to get to the page they want.
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