英语词汇时有时无是什么意思，时有时无的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	时有时无
释义	DEFINITIVE EXAMPLES 权威例句〔spurt〕The deals came in spurts: three in 1977, none in 1978, three more in 1979.交易时有时无：1977 年有 3 笔，1978 年没有，1979 年又有 3 笔。柯林斯高阶
随便看	pulse width encoding pulse width measurement pulse width method pulse width modulation pulse-amplitude discriminator pulse-average time pulse-clock pulse-code modulation pulse-digit spacing pulse-duration discriminator pulse-duration modualation pulse-duration modulation-frequency modulation pulse-forming network pulse-frequency apectrum pulse-frequency modulation pulse-height analyzer pulse-height discriminator pulse-height selector pulse-improvement threshold pulse-interval modulation pulse-jet pulse-jet engine pulse-link repeater pulse-mode multiplex pulse-modulated radar

觉斋网英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。