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单词 premultiplication
释义 premultipliˈcation Math.
[pre- A. 2.]
Multiplication by a prefactor.
1862Phil. Trans. R. Soc. CLI. 316 Let that maxtrix be reduced by premultiplication with a unit-matrix.1972Computer Jrnl. XV. 250/2 Pre- and post-multiplication is preserved.
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