相信大家都有过体检的经验，体检完毕之后，医生会告诉人们体检的结果，有时候，会说舒张压或者收缩压的数值，那么，大家知道舒张压与收缩压的区别是什么呢?
I\'ve got 开发者_StackOverflow社区an ItemsControl filled with dozens of items; each item is a bound text box and a couple of buttons.Because I want the user to be able to tab from text box to text box
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