“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	primary basin primary battery primary B cell deficiency primary beam primary biliary cirrhosis primary body primary bronchopulonary carcinoma primary bronchus primary cell primary cell culture primary cells control primary cell wall primary cementing primary central nervous system lymphoma primary cerebral vesicle primary ciliary dyskinesia primary circle primary clock primary coelom primary cohomology operation primary coil primary coking coal primary color primary combined immunodeficiency，PCID primary component

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。