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这并不是任何老的摄动,它的形状是圆的,它是一种可以获得的、特殊类型的轮廓侧面。
It's not any old perturbation, it's circular and it's got a particular type of profile.
youdao
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这并不是任何老的摄动,它的形状是圆的,它是一种可以获得的、特殊类型的轮廓侧面。
It's not any old perturbation, it's circular and it's got a particular type of profile.
youdao