Let's not worry too much about it. For accuracy we need our vector field to be defined in a simply connected region.
对于它,不用太担心,为了精确起见,需要向量场定义在一个单连通区域中。
Let's not worry too much about it. For accuracy we need our vector field to be defined in a simply connected region.
对于它,不用太担心,为了精确起见,需要向量场定义在一个单连通区域中。
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