“扩音系统”的概念、定义、翻译、参考文献-科学参考

单词	扩音系统
释义	扩音系统 public address system sound reinforcement system
随便看	net profit net profit after depreciation net profit after income tax net profit after taxation net profit and loss account net profit before tax net profit earned net profit for the current year net profit for the year net profit from operation net profit of the term net profit on sales net profit or loss net profit or loss section net profit quota net profit rate net profit rate to sales net profit ratio net profits net profit to net worth ratio net profit to sales ratio net property income net protein ratio net protein utilization net protein value

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。