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biological production
anim.husb.	生物产品
biological production 1. The amount and rate of production which occur in a given ecosystem over a given time period. It may apply to a single organism, a population, or entire communities and ecosystems. 2. The quantity of organic matter or its equivalent in dry matter, carbon, or energy content which is accumulated during a given period of time
environ.	生物生产 (1. 在一个特定的生态系统发生在一个特定时期的生产的数量和速率。它可以适用于一个单一的有机体，一个物群，或整个社区和生态系统。 2. 在一段特定时期累计的有机物质的数量，或者它在干物重、碳或者能量含量方面的等价物的数量。)

biological production: 3 phrases in 3 subjects

Aviation	1
Desert science	1
Space	1