名词
中文翻译：激活截面
同义词：
['activation area', 'activation area cross section']
例句：
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1. The design ofthe new device requires careful consideration of its activation cross section.
新设备的设计需要仔细考虑其激活截面。
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2. The researcher found that the activation cross section of the material was significantly higher than expected.
研究者发现，该材料的激活截面远高于预期。
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3. In order to improve energy efficiency, the manufacturer optimized the activation cross section of their product.
为了提高能源效率，制造商优化了产品的激活截面。