[網(wǎng)絡(luò)] 時(shí)頻；時(shí)頻分析；頻譜及時(shí)頻 time and frequency: 時(shí)間和頻率time frequency: 時(shí)間頻率analysis joint time-frequency: 聯(lián)結(jié)時(shí)序頻率分析frequency and time standard: 頻率及計(jì)時(shí)間標(biāo)準(zhǔn)frequency over time: 發(fā)生頻率與時(shí)間關(guān)系下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
