名词
中文翻译：Unknown
同义词：
['scope', 'range', 'scope of action', 'field of operation']
例句：
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1. The range control system is designed to prevent the spread of disease.
这个范围控制系统旨在防止疾病的传播。
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2. The company's range control strategy aims to reduce emissions by 20%.
该公司的排放控制战略旨在将排放量减少20%。
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3. The range control measures have been effective in controlling the spread of the virus.
这些范围控制措施已经有效地控制了病毒的传播。