“ratio of expenses to sales”的概念、定义、翻译、参考文献-科学参考

单词	ratio of expenses to sales
释义	ratio of expenses to sales 费用对销售额的比率
随便看	rack saw rackscope rack section rack shaft rack shaper rack shaping machine rack shaving rack shaving tool rack sleeve rack soot blower rack stake rack switch rack system rack tail rack tooth rack-type car rack type cutter rack-type differential rack type differential rack-type drawbench rack-type gear cutter rack-type gear shaving cutter rack-type jack rack-type pusher rack-type shaving

科学参考收录了1248194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。