正規直交基底

せいきちょっこうきてい

noun

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orthonormal basis(mathematics)

正	correct, justice, righteous, 10**40
規	standard, measure
直	straightaway, honesty, frankness, fix, repair
交	mingle, mixing, association, coming & going
基	fundamentals, radical (chem), counter for machines, foundation
底	bottom, sole, depth, bottom price, base, kind, sort