“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。
随便看	convex algebra convex analysis convex angle convex arc convex body convex-body theorem convex broken line convex cell convex circled set convex closed curve convex closed set convex closure convex closure of a saddle function convex closure of a saddle-function convex closure of saddle function convex combination convex-compact mapping convex-complex space convex-concave convex concave function convex-concave function convex-concave mapping convex cone convex constraint condition convex cooperative game

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