Waves oscillate back and forth. Add two waves together and you get a new composite wave.

波会来回振动，而使两列波相遇你会得到一列新的混合波。

youdao

Waves oscillate back and forth. Add two waves together and you get a new composite wave.

波会来回振动，而使两列波相遇你会得到一列新的混合波。

youdao