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1.The computer's temperature is an important environment variable to monitor.
计算机的温度是一个需要监控的重要环境变量。
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2. The company uses environmental variables in its marketing campaigns.
该公司在其营销活动中使用环境变量。
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3. The scientists used environmental variables to study the effects of pollution on ecosystems.
科学家们利用环境变量研究污染对生态系统的影响。