单词	cosine operator function
释义
随便看	projection of two skew straight lines projection of vector on an axis projection of vector on an axis projection operator projection operator projection operator projection plane projection theorem projection theorem of an area projection theorem of a right angle to a plane projection theorem of a triangle projection transformation projection transformation projection transformation projection vector projective angular measure projective classification of curve of order 2 projective classification of surfaces of order 2 projective coordinates in a plane projective coordinates in space projective coordinates on a straight line projective correspondence projective cover of a module projective crossed representation projective deformation

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