名词
中文翻译：趋势外推
同义词：
['trend forecasting', 'trend projection']
例句：
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1.The company's sales trends have been steadily increasing over the past year.
该公司过去一年的销售趋势稳步增长。
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2. The economist extrapolated the future economic growth based on current data.
这位经济学家根据当前数据外推未来经济增长情况。
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3. The trend extrapolation model has been widely used in market research.
趋势外推模型在市场研究中被广泛使用。