You simply watch a grid of letters that flashes on the screen , focusing on the letter you want to type .

你只要简单地看着屏幕上闪现的一组字母，集中注意力在你想要输入的字母上。

Differential factors associated with hot flashes in chinese perimenopausal and postmenopausal women .

中国围绝经期及绝经后妇女中与潮热相关的各种因素。

However , in the third photo , a powerful beam of light appears to shoot up from the pyramid toward the heavens , and a thunderbolt flashes in the background .

然而在第三张照片一个强大的束光线似乎来自金字塔飙涨升到天堂晴天霹雳中闪现的背景。

Although he has a naturally sunny temperament , you can occasionally see flashes of the curmudgeon within , as he grimaces at those who would take lightly the many challenges of building an innovation culture .

尽管他具有天生的开朗性格，但是当他对那些把打造一个创新文化的诸多挑战不当一回事的人们作出鄙视的表情时，你还是能看到他内在的坏脾气的偶尔闪现。

If you use this , remind your subjects that they will see two flashes .

如果你使用该功能，记得提醒拍摄对象他们会看到两次闪光。