名词
中文翻译：要求指针
同义词：
['demand point', 'demand indicator']
例句：
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1. The demand for energy is increasing rapidly.
对能源的需求正在迅速增加。
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2. The demand for this product has been high since its launch.
自该产品推出以来，需求一直很高。
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3. The demand for renewable energy sources is on the rise.
对可再生能源的需求正在上升。