网络释义
按钮是否有效 IsEnabled
指定命令是否有效 queryCommandEnabled
限制是否有效 limits effect
判断是否有效缩放级别 isValidZoomLevel
地址是否有效 NULL AS
检查令牌是否有效 protected boolean isTokenValid
设置Esc键是否有效 SET ESCAPE
命名参数是否有效的 boolean
比赛时是否有音效 Sound
双语例句原声例句
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停火绝对是第一要务，也是检验协约是否有效的试金石。
Ending the fighting must be the absolute priority, the litmus test of the agreement's validity.
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这种税收是否有效充满争议。
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类似的机器也曾搭乘美国宇航局的航天飞机在太空中飞行，但无法进行时间足够长的测试来证明它们是否有效。
Similar machines have flown in space aboard NASA's shuttles, but they couldn't be tested for long enough to prove whether they were effective.
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And the last thing we do for any of our structures to check them and figure out are these valid or not valid, are these good Lewis structures is to check the formal charge.
而为了检验任何一个结构是否有效,看它们是不是好的路易斯结构,我们要做的最后一件事就是检查形式电荷。
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Basically, injecting it into some test subjects, making sure that they didn't get diseased from it and looking at antibody responses to see if it worked and it did.
他们把疫苗接种到测试对象体内,确定接种者不会感染疾病,同时观察抗体的应答反应,了解疫苗是否有效
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Another thing we can do, a very important thing, is we can think about changing the game into a game of repeated interaction and seeing how much that helps, and we'll come back and revisit that later in the class.
另一个重要的东西是,我们可以考虑把单次博弈转化成,重复博弈,然后看看是否有效,我们以后再来学习这部分内容
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