“book sales cycle”的概念、定义、翻译、参考文献-科学参考

单词	book sales cycle
释义	book sales cycle Encyclopedia 文学〔发行业务〕释 book sales cycle图书销售周期图书从进入市场开始，直到最终退出市场为止所经历的生命循环过程。
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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。