A vector is an object that has both a magnitude and a direction. vector: 矢量或向量 magnitud...
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A vector is an object that has both a magnitude and a direction. vector: 矢量或向量 magnitud...
作者:威威(沪江前端开发工程师)本文原创,转载请注明作者及出处。 背景 最近, 产品同学一如往常笑嘻嘻的递来需求文档, 纵使内心万般拒绝, 身体倒是很诚实。 接过需求,好在需...