“signum function”的概念、定义、习题解题方法及翻译-数学辞典

数学辞典收录了72750条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。

单词	signum function
释义	signum function 正负号函数
随便看	topologically nilpotent element topologically ringed space topologically simple algebra topologically solvable group topologically stable topologically transitive topological manifold topological manifold with boundary topological manifold without boundary topological mapping topological Markov chain topological meaning topological measure-preserving transformation topological measure theory topological method topological microbundle topological model topological module topological nature topological nearness space topological node topological n-sphere topological obstruction topological ordered simplex topological pair