“directed set”的概念、定义、翻译、参考文献-科学参考

单词	directed set
释义	directed set Computer A subset X of a partially ordered set S, such that every finite subset of X has an upper bound in X itself. As a special case of this, a chain is a countable subset of the form $x_{0} \subseteq x_{1} \subseteq x_{2} \subseteq \dots$ where ⊆ denotes the partial ordering on S.
随便看	planetismal hypothesis planetoid planetology plane wave planeze planform planimeter planisphere planispiral planitia plankton planktonic geochronology planned economy planned investment planned savings planning planning((land-use)) planning permission plano-concave lens planoconcave lens plano-convex lens planoconvex lens Planolites planosols plan position indicator

科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。