The main results are. the period function is increasing when the higher degree is odd;

主要结果是：当高次项是奇数次齐次多项式时，周期函数是单调增加的；

youdao

The main results are. the period function is increasing when the higher degree is odd;

主要结果是：当高次项是奇数次齐次多项式时，周期函数是单调增加的；

youdao