multilayer system的用法和样例：
例句
- Our species reports hiccups and disturbances anywhere in the underground energetic movement within earth's grid system.
我们的物种，报告在地球晶格层系统中地下能量运动任何地方的打嗝或扰动。 - How can this triple-decker system be played over several octaves so as to produce a single frequency?
这种三层系统如何从几个八度音阶当中发出某一个频率呢？
