“period expense of books”的概念、定义、翻译、参考文献-科学参考

单词	period expense of books
释义	period expense of books Encyclopedia 文学图书期间费用释 period expense of books图书期间费用出版单位在一定时期内所发生的不能直接归属于某一特定图书产品的成本而必须从当期收入中扣除的费用。
随便看	sample moment sample moment of order k sample multiple correlation coefficient sample number sample observed value sample of audio-visual products sample partial correlation coefficient sample path sample path property sample percentile sample plot sample point sample-population approach sample prepairing for microscopic-observing sample preparation sample preparation chip sample preparation/digestion equipment sample preparation instrument sample pretreatment sample pretreatment of free drug analysis sample pre-treatment technology sample pretreatment technology for pharmaceutical analysis sample process sample proof sample proportion

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。