恒頻供電constant: adj. 1.恒定不變的,固定的,穩(wěn)定的,恒久的;繼續(xù)不 ...frequency: n. 1.屢次,頻仍,頻繁。 2.(脈搏等的)次數(shù),出現(xiàn) ...supply: adv. =supplely. constant supply: 經(jīng)常供應(yīng)supply frequency: 電源頻率下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯