“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	population bottleneck population capacity population carrying capacity population census population census of China population characteristic population classification population colonization population comparison population control population correlation coefficient population covariance population crash population crisis population demography population density population density of pest Population Development population deviation population dispersal population distribution population distribution laws population distribution of cancer population diversity population doubling time

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。