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1. The researchers found that the coke velocity was directly related to the temperature of the coal.
研究人员发现焦炭速度与煤的温度直接相关。
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2. The coke velocity is a crucial factor in determining the efficiency of the coal-fired power plant.
焦炭速度是决定燃煤电厂效率的关键因素。
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3. The scientists conducted experiments to measure the coke velocity under different conditions.
科学家们进行了实验，以测量在不同条件下的焦炭速度。