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1.The upstream injection of the water into the river has a significant impact on the ecosystem.
将水注入河流上游对生态系统产生了显著影响。
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2. The upstream injection of chemicals into the water can have harmful effects on the environment.
向水中注入化学物质会对环境产生有害影响。
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3. The upstream injection of nutrients is essential for the growth of plants and animals in the area.
向水中注入营养物质对该地区植物和动物的生长至关重要。