什么是cannot focus a disabled or invisible window帮我看下是什么意思～

什么是cannot focus a disabled or invisible window帮我看下是什么意思～ 什么是cannot focus a disabled or invisible window谢谢．．．． cannot focus a disabled or invisible windon是什么意思 cannot focus a disabied or invisible window是什么意思 Cannot focus a disabled or invisible window这个该怎么解决!别说没用的我看不懂! StarUML“Cannot focus a disabled or invisible window我在使用StarUML画完图第二次开发的时候会报“Cannot focus a disabled or invisible window”,然后工程就被关闭了,需要重新安装StarUML,但是还是只能开发一次,第 A DI NGU DI NHE. Don't focus on what you cannot remember or understand. focus focus focus 帮忙修改几个英语句子?My neck and back pain again.The horrible pain has caused me cannot focus on my work.I need to take a break once an hour. 什么是电流的变化率di/dt A mind focused on doubt and fear cannot focus on the journey to victory.不明白第一个foucus的用法请问一下第一个focus为什么用的是过去式,和主语之间是什么关系,不好意思,我只有5分了 (a+bi)(c+di) (a-bi)(c-di) ho deciso di rinunciare a you are a,little out of focus :) 什么是differentiaion strategy和focus strategy,两者有什么区别?