Due to the main stream top support action, N, P expressed possessing space distribution character of peak value.

由于干流顶托作用，氮磷呈现具峰值的空间分布特征。

youdao

Due to the main stream top support action, N, P expressed possessing space distribution character of peak value.

由于干流顶托作用，氮磷呈现具峰值的空间分布特征。

youdao