higher order wave的用法和样例：
例句
- It reduces the high hypo syntony wave output part included in the converted input current.
减少了变频器输入电流中包含的高次谐波成份的输出。 - Unfortunately, they also suffer from some disadvantages, such as poor rejection to outside passband, and they are easily to be disturbed by high order harmonic frequencies.
但是也都存在一些共同缺陷，诸如带外抑制能力较差，容易受到高次谐波分量的干扰等等。
