nitrogen andphosphorus

• 氮磷

nitrogen andphosphorus的用法和样例：

例句

1. A Research on the Nitrogen and Phosphorus Requirement of Thalassiosira sp.
   对氮磷需求量的研究。
2. The high rate of nitrogen and phosphorus is unfavourable to the photosynthesis of the phytoplankton.
   过高的氮磷比不利于浮游植物进行光合作用。