“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	stepped atomic time stepped attenuator stepped filter stepped pulse stepped sector stepped slit stepped spillway energy dissipator stepped temperature program stepped waveguide stepped weakener stepped-wedge design steppe faunal group of temperate zone in China steppe in China steppe lemming Steppenwolf stepper motor steppe shrub desertification steppe shrubs Steppe soil stepping lumbus stepping motor stepping regression stepping stone stepping test step point

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。