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1. The demand for energy is increasingrapidly, which affects the production of electricity.
对能源的需求正在迅速增长，这影响了电力的生产。
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2. The demand interval between two eventsis the time it takes for one eventto occur before the other.
两个事件之间的需求间隔是第一个事件发生之前所需的时间。
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3. Thedemand interval for a new product can bemeasured by analyzing market data and consumer behavior.
新产品的需求间隔可以通过分析市场数据和消费者行为来测量。