matrix n. (pl. matrices 或matrixes) 1.【解剖學】子宮;母體;發(fā)源地,策源地,搖籃;【生物學】襯質細胞;間質;基質;母質。 2. 【礦物】母巖;脈石;【冶金】基體;【地質學;地理學】脈石;填質;雜礦石。 3. 【印刷】字模;型版,紙型;鑄型,陰模。 4.【陣】(矩)陣,方陣;母式;【物理學】間架;【無線電】矩陣變換電路。 5.【染】原色〔紅黃藍白黑五種〕。 the matrix of a nail 【解剖學】指甲床。
From the mapping relationship between information vector matrix and relative vectors , rough approximation , attribute relative reductions and selecting optimal attribute reductions set algorithms based on binary vector matrix were proposed 摘要根據(jù)向量矩陣與向量之間的映射關系,研究了基于二元向量矩陣算法的粗糙近似、屬性約簡以及最優(yōu)屬性約簡集的獲取。