| 释义 |
tric nitrogen
基本例句
硝态氮
Some commercial laboratories use periodic nitrate nitrogen tests as guides.许多商业性的试验室已应用定期的硝态氮分析作为指导。
In many plants, including most tree crops, nitrate nitrogen does not usually occur in the leaves.在一些植物中，包括绝大多数的木本作物，硝态氮并非经常存在于叶片中。 |