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词汇	identity matrix
释义	identity matrixn.Mathematics（名词）【数学】Clarinda/Academy Artworks A square matrix with numeral 1's along the diagonal from upper left to lower right and 0's in all other positions.单位矩阵：以数字1作为从左上角到右下角对角线，以0放于其它位置的矩阵
随便看	space heater space lattice spaceless space medicine space platform spaceport space probe spaces space science spaceship space shuttle space sickness space station space suit spacetime space-time space walk spaceward space writer spacey space–time spacial spacial spacier spaciest

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