名词
中文翻译：初级生产力
同义词：
['primary production', 'primary growth例句：1. The primary productivity of the region is its natural resources.（该地区的初级生产力是其自然资源。）']
例句：
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1. The primary productivity of the region is its natural resources.
该地区的初级生产力是其自然资源。
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2. The primary productivity of the soil is directly related to the quality of the crops grown there.
土壤的初级生产力直接与在那里种植的作物的质量有关。
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3.The primary productivity of a farm can be increased by improving its irrigation system.
通过改进灌溉系统，农场的初级生产力可以增加。