常見例句雙語例句The dissolved nitrogen (DIN) concentrations in the Wujiang River basin were much higher than the global average values and the main form of nitrogen was nitrate nitrogen (NO3-N).烏江流域溶解無機(jī)氮含量較世界平均水平高，其主要存在形式為硝態(tài)氮（NO_3-N）。 返回 dissolved nitrate-nitrogen