名词
中文翻译：限制信号
同义词：
['限制信号，约束信号例句：1. The government has implemented a restriction signal to control the spread of the virus.（政府已经实施了一个限制信号来控制病毒的传播。）']
例句：
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1. The government has implemented a restriction signal to control the spread of the virus.
政府已经实施了一个限制信号来控制病毒的传播。
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2. The research team used a restriction signal to identify the source of the outbreak.
研究团队使用了一个限制信号来识别疫情的源头。
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3. The restriction signal was designed to prevent people from entering the restricted area.
这个限制信号被设计用来阻止人们进入受限区域。