| 释义 | 
             
                cathode preheating time
                
            直热式阴极zhí rè shì yīn jí 
 directly heated cathode; direct-heated cathode钨丝阴极wū sī yīn jí 
 tungsten cathode预先加热yù xiān jiā rè 
 preheat冷阴极lěng yīn jí 
 cold cathode负极fù jí 
 negative electrode; cathode; negative pole; cathelectrode期限qī xiàn 
 time limit; allotted time; deadline; due time趁空chèn kōng 
 use one's spare time; avail oneself of leisure time等待时机děng dài shí jī 
 bide one's time, watch one's time一半时间yī bàn shí jiān 
 half the time分期的fèn qī de 
 time上次shàng cì 
 last time上古shàng gǔ 
 ancient times踏步tà bù 
 mark time现代xiàn dài 
 modern times中古zhōng gǔ 
 mediaeval times专职zhuān zhí 
 full time渡越时间dù yuè shí jiān 
 transition time; transit time多次duō cì 
 time after time, times without number交付时间jiāo fù shí jiān 
 delivery time; lead time夏令时xià lìng shí 
 daylight saving time; daylight-saving time有时yǒu shí 
 sometimes, at times, at whiles, for time to time, from time to time, on occasion提早tí zǎo 
 ahead of time, before one's time笑口常开xiào kǒu cháng kāi 
 grinning all the time良久liáng jiǔ 
 a long time每当měi dāng 
 every time, whenever
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