例句 /

To study the biogeochemical cycle of phosphorus, it is very important to accurately determine the concentration of orthophosphates in the surface of oceans, especially oligotrophic open-oceans.

To study the biogeochemical cycle of phosphorus, it is very important to accurately determine the concentration of orthophosphates in the surface of oceans, especially oligotrophic open-oceans.

痕量活性磷分析是探索海洋,特别是寡营养海区生物地球化学过程的关键。