点粒子（point particle）：在粒子物理中，一种抽象的粒子模型——点粒子（类似于质点的定义）。点粒子有自己的极限半径（radius），可以有质量，有电荷，但是没有体积。
点粒子系统 CCPointParticleSystem
点粒子模型 point particle
点粒子和方形粒子系统 CCParticleSystemPoint CCParticleSystemQuad
超对称性点粒子 a supersymmetric point particle
物质的粒子观点 particle aspect of matter
尘埃粒子多点检测系统 Dust particle multi-point inspection system ; Dust particle multi-point inspection
每粒子顶点属性 Output mesh per-vertex shading
多点触摸之粒子画画 Director OpenCV MultiTouch
点提出基于粒子群优化 Particle Swarm Optimization ; PSO
计算 是在假定轻子是点粒子的条件下完成的。
The theoretical computations are performed under the assumption that the leptons are point particles.
而在量子力学术语中，“点粒子”即为“基本粒子”（迄今还未发现有用来构成基本粒子的更小单位）。
In the parlance of quantum mechanics, however, to call a particle pointlike is to say no more than that it is elementary, ie, that it is not known to be made up of smaller bits.
原始物体：把原始物体移动到摄像头以外要小心，于正常的网格复制点不同的是，复制点粒子也会被渲染的！
Original object: Take care to move the original object out of the camera view, because, differently than in regular Mesh Dupliverts, in Dupliverted particles it will also be rendered!
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