You said that the nitrogen cycle is also an important nutrient cycle.
你说了，氮循环也是一个重要的营养循环。
The three most important nutrient recycles are the nitrogen cycle, the carbon cycle and the one we are going to talk about today, the Phosphorus cycle.
这三种最重要的营养循环包括氮循环、碳循环和我们今天要讲的磷循环。
It is also worth noting that unlike many of humanity's other effects on the planet, the remaking of the nitrogen cycle was deliberate.
还值得注意的是，与地球上其他人类的影响不同，对于氮循环的再改造是故意的。
So too is the nitrogen cycle, which converts pure nitrogen from the air into useful chemicals, and which mankind has helped speed up by over 150%.
氮循环也一样，它将空气中的纯氮转化成有用的化合物，而人类使其加速了150%以上。
The process of naked cooling with nitrogen cycle refrigeration was proposed according to the producing requirement, followed by some points to note during the naked cooling process.
根据生产需要，提供了利用氮气循环制冷实现空分设备裸冷的工艺方法，分析了实施过程中的注意问题；
The DPM method needs lot of field data, mainly to study nitrogen cycle in field, assess water and nitrogen usage efficiency and optimize management soil water and nitrogen fertilizer.
动力学模型需要大量的田间实测资料，主要应用于农田氮素循环、定量评价水氮资源利用率、优化水肥管理措施等方面。
The DPM method needs lot of field data, mainly to study nitrogen cycle in field, assess water and nitrogen usage efficiency and optimize management soil water and nitrogen fertilizer.
动力学模型需要大量的田间实测资料，主要应用于农田氮素循环、定量评价水氮资源利用率、优化水肥管理措施等方面。
应用推荐