词汇	制作钢琴
释义	制作钢琴 build/make a piano钢琴
随便看	Matrix Organizational Structure matrix organization design matrix organization structure matrix outer-productdecomposition matrix outer-product decomposition matrix out of register matrix output Matrix Output Amplifier matrix output time matrix over a commutative ring matrix overall length matrix over semiring matrix Pade approximation matrix pair matrix panel matrix paper matrix paperboard matrix parallel processor matrix parameter matrix parity check matrix partial-fraction matrix partition matrix partitioning matrix patch matrix pattern