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Nitrogen forms most of the Earth's air.
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地球上空气的大部分成分是氮气。 |
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Nitrogen is an e ential food for plants.
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氮是植物一种必不可少的养分。 |
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Nitrogen is an essential food for plants.
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氮是植物一种必不可少的养分。 |
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Nitrogen is easily leached from soil because it is more easily dissolved.
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氮因为较容易溶解,所以很容易就可以从土壤中过滤出来。 |
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Nitrogen is the most important for high yield of rice.
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氮对水稻高产最为重要。 |
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Nitrogen is the most important nutrient for high yielding cultivation of rice plant.
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氮是水稻高产栽培中最重要的养分。 |
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Nitrogen is the most limiting nutrient in many plant communities, and is the major factor affecting primary production of plant.
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氮在许多植物群聚中属于有限的养分,且是植物最初生产力之主要限制因子。 |
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Nitrogen screen, rare factive gas and nuclear heat are the mainly compos it ion.
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其中稀薄气体对流热、辐射热和核沉积热是热负荷的重要组成部分。 |
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Nitrogen, phosphate and potassium were main nutrients studied.
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氮、磷、钾是研究的主要养分。 |
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Nitrogen, phosphorus and potassium fertilizers should be used inproper proportions fertilizing for leaf-vegetables and should be used asbasic manure; Appling only nitrogen manure was sure to cause accumulation of nitrate easily.
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叶类蔬菜施肥应氮、磷、钾合理搭配,并宜作底肥施用;单施氮肥容易导致硝酸盐的大量积累。 |
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Niu Shengnan, a Qianxihe spokesman, said the use of growth hormones in pig-rearing was standard in China, but eating meat produced this way could conceivably cause competitors to fail anti-doping tests.
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千禧鹤发言人牛胜难表示,在生猪喂养中使用生长激素,在中国很常见,但可想而知,食用这种方式生产的猪肉可能会让运动员无法通过兴奋剂检测。 |