mustbe:device must be powered on怎么解决

1.device must be powered on怎么解决

设置必须处于开启状态。

2.must be什么意思

must be available必须是可用的例句:1.At least one file must be available. 至少一个文件必须可用。其价格必须平易近人，维持在机场能够支付的水平。

3.maybe和mustbe的含义？

maybe也许，s sister.他大概是山姆的妹妹must be 一定是。

4.InstallationCodemustbe24characterlong，是什么意思

t have to tell mewho'bring my baby back to me* (Mirror mirror lie to meShow me what I wanna seeMirror mirror lie to me)To me...

5.must be有句歌词是什么歌

(Mirror mirror lie to meShow me what I wanna seeMirror mirror lie to me)Why don't I like the girl I seeThe one who's standingright in front of meWhy don't I think before I speakI should have listenedto that voice inside meI must be stupid,must be crazy,must be out of my mindTo say the kind of things I said last nightMirror mirror hanging on the wallYou don't have to tell mewho's the biggest fool of allMirror mirrorI wish you could lie to meAnd bring my baby back, bring my baby back to me(Mirror mirror lie to meShow me what I wanna seeMirror mirror lie to meShow me what I wanna see)Why did I let you walk awayWhen all I had to do wassay I'm sorryI let my pride get in the wayAnd in the heat of the momentI was to blameI must be stupid,must be crazy,must be out of my mindNow in the cold lightof the day I realize Mirror mirror hanging on the wallYou don't have to tell mewho's the biggest fool of allMirror mirror I wish youcould lie to meAnd bring my baby back,bring my baby back to meIf only wishes could be dreamsAnd know my dreams could come trueThere would be two usstanding here in front of youIf you could show methat someone that I used to beBring back my baby, my baby to me Mirror mirror hanging on the wallYou don't have to tell me who's the biggest fool of allMirror mirror I wish youcould lie to meAnd bring my baby back,bring my baby back to me Mirror mirror hanging on the wallYou don't have to tell mewho's the biggest fool of allMirror mirror I wish youcould lie to meAnd bring my baby back,bring my baby back to me* (Mirror mirror lie to meShow me what I wanna seeMirror mirror lie to me)To me...

6.编写对话框程序遇到这个错误，求高手解答The public type MyFrame must be defined in its own file

这个代码是Java从入门到精通上的吧，我当时写的时候也延迟到同样错误。首先是public 类应该和文件名一致 源文件中公关类名要与文件名相同。所以下面的MyFrame前的public应该去掉。去掉之后又发现右击Run a没有java Applica。这是因为包mian函数的类前必须要有public。所以最好是把MyJDialog和MyFrame类分成两个类文件写。写完之后发现点击运行有没有弹出出窗体。

7.must’be和can’be的区别

推测时,语气肯定的否定,t be my book.它不可能是我的书.而must用于否定时,一般没有mustn'而是mustn'意思是禁止干什么例如：You mustn'