“economic service period”的概念、定义、翻译、参考文献-科学参考

单词	economic service period
释义	economic service period Encyclopedia 经济学经济服务期释 economic service period经济服务期固定资产从投入使用到在经济上不合理而被报废的时间周期。
随便看	counit of an adjunction counity couniversal couniversal functor couniversal linear space couniversal square counseling ethics counseling for genetic diseases counseling outcome counseling psychology counseling relationship counseling skills counsellor counsellor-in-chief counselor counselor in colleges and universities count countability countability axiom countable countable additive family countable additivity countable additivity probability axiom countable antichain condition countable base

科学参考收录了854744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。