名词
中文翻译：相对生产密度
同义词：
['relative productivity', 'relative yield', 'relative yield density']
例句：
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1. The relativeproduction density of the new technology is significantly higher than that of the old one.
新技术的相对生产密度明显高于旧技术。
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2.The relative production density of the soil is an important factor in determining its fertility.
土壤的相对生产密度是决定其肥力的一个重要因素。
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3. The relative production density of the crops was reduced due to the drought.
由于干旱，作物的相对生产密度降低了。