名词
中文翻译：规则杆
同义词：
['rule', 'lever', 'control rod例句：1. The regulation of the traffic is strictly enforced by the police.（交通管制由警察严格执行。）']
例句：
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1. The regulation of the traffic is strictly enforced by the police.
交通管制由警察严格执行。
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2. The scientist used a lever to adjust the balance of the experiment.
科学家使用杠杆调整实验的平衡。
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3.The control rod in the reactor is used to absorb excess radiation.
反应堆中的控制棒用来吸收过量辐射。