为什么外微分恰好能表达梯度、旋度、散度? 知乎 Template




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Try and sketch some of theseFly swatter, Cat, Coven, Sewing machine, Elephant, Fishing net, Pinball machine, Carnival, Rose, Road, view more ideas


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sketch #3290 Calvin and Hobbes by অনন্ত জলিল


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sketch #4665 Iron Maiden EDDIE by Jenna Khoùlix�


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sketch #5018 Owl by Komlós László


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sketch #3779 RIP Hugo Chavez Joey Hyuuga

tomski为什么外微分恰好能表达梯度、旋度、散度? 知乎 coloring