“book direct sale”的概念、定义、翻译、参考文献-科学参考

单词	book direct sale
释义	book direct sale Encyclopedia 文学〔发行业务〕释 book direct sale图书直销出版社直接将图书产品出售给消费者，向其进行图书推广、介绍，同时配以相应售后服务的一种图书销售方式。
随便看	number of inversions number of local moduli number of monofilaments number of outbound number of outbound tourists number of participants number of partitions number of permutations number of person-days number of places number of plate number of R & D personnel number of reading days per week number of reeling with confine raw silk size number of reorderings number of repetitions number of replications number of rows number of runs number of samples number of scans number of scans (NS) number of science and technology archives number of search number of share

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。