氮循环 [土壤] nitrogen cycle ; cycle of nitrogen ; nitrogen cycling
氮循环茵 nitrogen cycle bacteria
碳循环与氮循环 The Carbon and Nitrogen Cycles
碳氮循环 [天物] carbon-nitrogen cycle ; cycle carbo-nitrogen ; Carbon and nitrogen cycle
碳氮氧循环 CNO cycle ; [天物] carbon-nitrogen-oxygen cycle ; CNO cycle, carbon-nitrogen-oxygen cycle
氮循环菌 nitrogen cycle bacteria
氮循环模型 IAP-N
土壤碳和氮循环 soil carbon and nitrogen cycle
固定化氮循环细菌技术 INCB
氮素循环 nitrogen cycle ; 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。
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.
你说了，氮循环也是一个重要的营养循环。
You said that the nitrogen cycle is also an important nutrient cycle.
如果人类没有加速氮循环的速度，那么就远不会有众多人对地球上做其他的各种事情。
There would be nowhere near as many people doing all sorts of other things to the planet if humans had not sped the nitrogen cycle up.
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