“book circulation modes”的概念、定义、翻译、参考文献-科学参考

单词	book circulation modes
释义	book circulation modes Encyclopedia 文学〔发行业务〕释 book circulation modes图书商品流通形式图书在流通过程中经历的环节和交易途径。
随便看	down hole motor drilling downhole operation downhole pressurized jet assisted drilling system downhole throttling method downhole throttling technology down-hole tool Downing Park down-ladder down-ladder operator downlead down-leg light time downlink download down mattres down pillow downpour down-punching type down quark downsampling downshift down shot downsized engine Downsizing downsizing downslope wind

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。