美国西部的干旱状况刺激了水的供应、伤害了农作物种植，也加快了野外火宰的扩散。

Dry conditions across the American West have spurred water rationing, hurt crop production, and doubled the prevalence of wildfires.

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火总是与干燥和炎热状况有关。

Fire is associated with dry and hot condition.

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通过(火用)平衡与热平衡的对比分析和热效率与(火用)效率的分析计算，论述了(火用)平衡能更科学、更准确地反映轮窑实际用能状况。

Through analysis and calculation of heat efficiency and Exergy efficiency, the paper proves this Exergy theory is far more accurate to reflect the actual feature of energy using.

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