Circular economy demands restructuring economic system by the rule of material recycle and energy flow in natural ecological system.
循环经济倡导按照自然生态系统物质循环和能量流动规律来重构经济系统。
Objective to explore the rule of growth and multiplication of snails in man made irrigation, and thus to provide evidence for snail control with ecological method.
目的描述人工灌溉区钉螺生长繁殖特征，为实施生态学方法控制钉螺提供理论依据。
According to Bayesian rule, the best critical departure from normal value of the key meteorological factors for the outbreak of summer locust was determined by two kinds of ecological area.
根据贝叶斯判别准则，确定了两类蝗区夏蝗大发生关键气象因子的最佳临界距平值；
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