名词短语
中文翻译：受控源
同义词：
['controlled source', 'controlled input例句：1. The controlled source was used to measure the strength of the earthquake.（使用受控源来测量地震的强度。）']
例句：
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1. The controlled source was used to measure the strength of the earthquake.
使用受控源来测量地震的强度。
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2.The controlled source was used to generate a strong magnetic field.
使用受控源来生成一个强磁场。
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3. The controlled source was used to study the behavior of materials under high pressure.
使用受控源来研究材料在高压下的行为。