“union”的概念、定义、翻译、参考文献-科学参考

单词	union
释义	union [`yün·yǝn] ^{COMPUTER SCIENCE} A data structure that can store items of different types, but can store only one item at a time. ^{DESIGN ENGINEERING} A screwed or flanged pipe coupling usually in the form of a ring fitting around the outside of the joint. ^MATHEMATICS 1. A union of a given family of sets is a set consisting of those elements that are members of at least one set in the family. 2. For two fuzzy sets A and B, the fuzzy set whose membership function has a value at any element x that is the maximum of the values of the membership functions of A and B at x. 3. The union of two Boolean matrices A and B, with the same number of rows and columns, is the Boolean matrix whose element c_ij in row i and column j is the union of corresponding elements a_ij in A and b_ij in B.
随便看	simple elongation simple engine simple fruit simple function simple gland simple goiter simple group simple harmonic current simple harmonic electromotive force simple harmonic motion simple hypothesis simple integral simple lattice simple leaf simple lens simple machine simple metal simple microscope simple order simple ore simple oscillator simple path simple pendulum simple pistil simple pit

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