“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	Australian Library and Information Association Australian literature Australian Loan Council Australian lobster Australian marriage-class system Australian nut Australian Outlook Australian pea Australian Personal Computer（APC） Australian Post Australian Quarterly Australian race Australian religion Australian small tool tradition Australian Society of Certified Practising Accountants Australian totemism Australian wine Australian Women's Weekly Australia，New Zealand and United States Pact（ANZUS Pact） Australoid Australoid Australo-Negroid Australopithecines australopithecus Australopithecus

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。