名词
中文翻译：初始范围
同义词：
['initial span', 'initial window例句：1. The initial range of the new product is very competitive.（新产品的初始范围非常具有竞争力。）']
例句：
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1. The initial range of the new product is very competitive.
新产品的初始范围非常具有竞争力。
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2. The company's initial range of products covers a wide variety of fields.
公司的初始产品范围涵盖了广泛的领域。
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3. The initial range of the study covered a period of three years.
研究的初始范围覆盖了三年的时间。