基谐波

例句：

1. 1. The frequency of thewave is determined by its fundamental harmonic.
   这个波的频率由其基本谐波决定。
2. 2. The sound waves are generated by thevibrations of the atoms in the medium.
   声波是由介质中原子的振动产生的。
3. 3. The fundamental harmonic of a complexsystem can be used to predict its behavior.
   一个复杂系统的基谐波可以用来预测其行为。