“null object of a category”的概念、定义、翻译、参考文献-科学参考

单词	null object of a category
释义	null object of a category Mathematics null object of a category范畴的零对象
随便看	true obstruction true oil drilling fluid true orbit true orthophoto true path true place true pole true position true prolongation true proportional navigation true proposition true protein truer true radiant true random number True Record In the Zhizheng of Yuan Dynasty true relation true representation true retention rate true revolution true right ascension true rotation true scale reducer true score true score theory

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