因赞助者在学习Particular系统制作雪的效果中遇到问题，SSS找了四部快速入门的教程，其中包含使用内置的ParticleSystemsII系统，俩个影视级的实景雪合成效果。
Due to sponsors’ problems in learning the effects of Particular system for making snow, SSS found four quick-start tutorials that included the use of the built-in ParticleSystems II system.
