Selective differential relay
[電] 選擇差動替續器
?? 詞語組成解析
selective
[si'lektiv]
adj. 精心選擇的;選擇的，不普遍的;淘汰的;
differential
['d?f?'r?n??l]
adj. 差別的;特意的;[數]微分的;[機，物]差動的;
n. [數]微分;差別;工資級差;[機]差動器;
di, dif, divid 表示”分開”;”取消”,”否定”;”不同”
relay
[r?'l?i]
n. 接替人員，替班;傳遞;接力賽;繼電器;
vt. 轉播，傳達;用驛馬遞送，使接替;分程傳遞;
??? 情景例句
but he wants to do it
但他要削減
Could you tell me the cost of production per unit?
請你告訴我每件成品的生產成本好嗎？
As he hated army life, he decided to desert his regiment.
他討厭軍旅生活，決定逃離所在部隊。