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计量单位
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计量单位
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计量单位
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measurement unit
计量单位
用于表示与其相比较的同种量的大小的约定定义和采用的特定量。任何其他同类量可与其比较使两个量之比用一个数表示。又称测量单位,简称单位。
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plant mycoplasma disease
plant nematode disease
plant new variety right
plant nickel nutrition
plant nitrogen deficiency symptom
plant nitrogen excess
plant nuclide content
plant nutrient accumulation
plant nutrient acquisition coefficiency
plant nutrient concentration gradient
plant nutrient co-transportation
plant nutrient cycle
plant nutrient enzyme absorption kinetics
plant nutrient ion exchange
plant nutrient management
plant nutrient physiological use efficiency
plant nutrient resorption
plant nutrient retranslocation
plant nutrient reutilization
plant nutrient solution
plant nutrients passive transport
plant nutrients transporter
plant nutrient transport efficiency
plant nutrient use efficiency
plant nutritional genomics
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