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So these six are numbers and these are the unit vectors.
这就得到6个数字,和3个单位矢量。
youdao
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The first unit about cross-products,normal vectors and so on is actually useful now.
第一单元学得叉积、法向量这些,现在就有用了。
youdao
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The first unit about cross-products,normal vectors and so on is actually useful now.
第一单元学得叉积、法向量这些,现在就有用了。
youdao