“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	square scale square-shaped array square signal square sum square-summable function Square Theatre square tiling square torus square triangle picking square-triangle theorem square triangular number square TV square vertebral body square wave square-wave modulation square wave polarography square-wave potential method square wave voltammetry square well square well potential Square well potential model square wing square κ principle squariance squaring

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。