length of aperiodicity stretch

例句：

1. 1. The periodicity of the systemis determined by the length of time betweentwo successive events.
   系统的周期性由两个连续事件之间的时间长度决定。
2. 2. The aperiodicity of the system is determinedby the length of time between two successive events.
   系统的非周期性由两个连续事件之间的时间长度决定。
3. 3. Theaperiodicity ofthe system is determined by thelength of time between two successiveevents.
   系统的非周期性由两个连续事件之间的时间长度决定。