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“同学们,请按照我们事先设计好的讨论题,来分析一下眼前这块美丽的油菜田,分析这个生态系统的生产者、消费者、分解者各有哪些?它的能量流动和物质循环是怎样进行的?你有什么更好的建议来
”Students, please follow our pre-designed discussion questions to analyze the beautiful rape fields in front of us and analyze the producers, consumers and decomposers of this ecosystem. What are its energy flows and material cycles? What's going on? What better advice do you have?