这是一个稍微简单的示例，可能会有更加复杂的场景，但它表示了实质问题。
This is a slight simplification, and more complicated scenarios are possible, but it represents the core of the issue.
多分辨率模型表面简化算法用一简单的模型来近似表示原始的高分辨率模型，减少模型表示的多边形数，从而加速场景绘制。
Many resolution ratio model surface simplify algorithm come with one simple model approximate to say the primitive high-resolution model, reduce polygon that model show count, accelerate scene draw.
粒子系统就是用大量的简单图元来表示某个物体，高性能的粒子系统可以真实地模拟出一些虚拟场景。
Particle System is widely used to describe a model with some simple graphics. High performance Particle System can simulate the real time scene.
粒子系统就是用大量的简单图元来表示某个物体，高性能的粒子系统可以真实地模拟出一些虚拟场景。
Particle System is widely used to describe a model with some simple graphics. High performance Particle System can simulate the real time scene.
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