Spawns new particles when particles from the parent system are born.
当来自父系统的粒子诞生时，产生新的粒子。
Spawns new particles when particles from the parent system collide with something.
当来自父系统的粒子与某物碰撞时，产生新的粒子。
Spawns new particles when particles from the parent system die.
当来自父系统的粒子死亡时，产生新的粒子。
Spawns new particles when triggered from script using ParticleSystem.TriggerSubEmitter.
当使用ParticleSystem.TriggerSubEmitter从脚本中触发时，生成新的粒子。
Spawns new particles when particles from the parent system pass conditions in the Trigger Module.
当来自父系统的粒子通过触发器模块中的条件时，生成新的粒子。
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The events that cause new particles to be spawned.
导致新粒子产生的事件。