“periodic signal”概念、定义、翻译-科学时代

单词	periodic signal
释义	信息与系统科学词汇手册 periodic signal 周期（性）信号
随便看	Treaty of Andrussovo Treaty of Antwerp Treaty of Apamea treaty of arbitration Treaty of Baden Treaty of Barcelona Treaty of Belgrade Treaty of Benares Treaty of Berlin Treaty of Berwick Treaty of Blois Treaty of Boulogne Treaty of Breda Treaty of Breslau Treaty of Brest-Litovsk Treaty of Bristol Treaty of Bruges Treaty of Brussels Treaty of Brétigny Treaty of Bucharest Treaty of Bucharest Treaty of Cambrai Treaty of Carlowitz Treaty of Casco Treaty of Catulus

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。