negative differential effect
negative differential effect
负微分效应
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The addition of a small amount of metallic elements in pure aluminium would change its electrochemical activity, enhance its anticorrosive performance and decrease its negative differential effect.
向纯铝中加入少量金属元素，能改变铝的电化学活性，增强其抗腐蚀性能，减小负差效应。
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