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Nitrogen forms about 78% of the earth's atmosphere.
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氮约占地球大气的百分之七十八。 |
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Nitrogen forms about four-fifths of the atmosphere.
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氮约占大气的五分之四。 |
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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。 |