名词
中文翻译：Unknown
同义词：
['zone', 'region', 'area', 'sector', 'field']
例句：
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1. The standard zone for this product is between 50 and 70 degrees Celsius.
该产品的标准温度范围是50到70摄氏度。
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2. The company's standard zone is in the northwestern part of the country.
公司的标准区域位于该国西北部。
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3. The new standard zone has been established to regulate the traffic flow.
新设立的标准区域是为了规范交通流动。