?always-on

always-on發(fā)音

英：　　美：

always-on中文意思翻譯

永遠在線(xiàn)

始終在線(xiàn)

always-on雙語(yǔ)使用場(chǎng)景

1、He's always on the qui vive for a business opportunity.───他始終密切關(guān)注商機。

2、Jack never wanted to stay in one place for very long, so they were always on the move.───杰克從不想在一個(gè)地方久留，所以他們總在輾轉奔波。

3、The TV is always on in their house.───他們家的電視總是開(kāi)著(zhù)。

4、conductor: If the train is always on time, what's the waiting-room used for?───列車(chē)員：如果火車(chē)總是準點(diǎn)，要候車(chē)室又有什么用？

5、The happiness of a woman's life is, no matter how much beauty, his eyes, always on you.───女人一輩子最幸福的事，莫過(guò)于，無(wú)論有多少美女，他的眼神，永遠在你身上。

6、University students are not always on BBS, the BBS only for publicity is not good, it would be better able to publicity posters.───我校同學(xué)不經(jīng)常上BBS，只在BBS上作宣傳效果不好，最好還是能通過(guò)海報宣傳。

7、The patient can comfortably turn over towards both sides and in a supine gesture, and is always on the central axis of the bed body.───患者能舒適地完成兩側與仰臥姿勢的翻身。并始終處于床身的中軸線(xiàn)上。

8、s not easy to keep in touch with friends when they are far away, however, they are always on her mind.───和遠方的朋友保持聯(lián)系不是一件容易的事，但是她一直記掛著(zhù)他們…

9、As a passer, he is always on the ready to make a pass because he does not have to bring his second hand over to make the play.───作為一個(gè)傳球手，他時(shí)刻處在準備傳球的狀態(tài)，對于他來(lái)說(shuō)，完全不需要另外一只手來(lái)幫助完成一次傳球。

always-on相似詞語(yǔ)短語(yǔ)

1、always on my mind───n.常在我心中（歌曲名）

2、providence is always on───普羅維登斯總是開(kāi)著(zhù)

3、always on top───adv.總在最上面

4、always on───永遠聯(lián)網(wǎng)狀態(tài)；永遠開(kāi)啟

5、always on the───一直開(kāi)著(zhù)

6、be always on───永遠在線(xiàn)

7、always on usb───始終打開(kāi)usb

8、always on time───總是準時(shí)

9、always───adv.永遠，一直；總是；常常

為什么有些PLC程序有Always On開(kāi)頭，有些沒(méi)有？

西門(mén)子200要求前面必須有個(gè)觸點(diǎn)，所以都用AlwaysOn做常閉觸點(diǎn)。新版的1200就不需要了~~~看程序的時(shí)候ALwaysOn不用管它。