清单9中的代码使每个组件有一个黑色的背景，字体大小为14，但label组件除外，label组件拥有红色的背景。
The code in Listing 9 gives every component a black background with a font size of 14 except labels, which have a red background.
每个黑色和白色的二维码代码点和表面光洁度不同的不锈钢外墙板相关联。
Each black and white QR code dot is associated with a stainless steel cladding panel with different surface finishes;
这时，你就可以编译运行代码了，如果一切正常，你会看到在蓝色的背景里有一个黑色的矩形。
At this point, you can compile and run the code. If everything is correct, you should see a black rectangle on a blue background.
代码很少，需要将窗体颜色设成黑色或其它的颜色，各位不妨试试看。
Code rarely needs to be set to form the color black or another color, you give it a try.
第3集：预先存在的条件：医生连续36小时工作在代码中黑色和必须处理一个发狂的两个儿子的母亲曾在一次严重车祸。
3: Pre-Existing Conditions: the doctors work 36 consecutive hours in code black and must deal with a distraught mother of two sons who were in a devastating car accident.
第3集：预先存在的条件：医生连续36小时工作在代码中黑色和必须处理一个发狂的两个儿子的母亲曾在一次严重车祸。
3: Pre-Existing Conditions: the doctors work 36 consecutive hours in code black and must deal with a distraught mother of two sons who were in a devastating car accident.
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