菱形接包裹程序，在相位接包裹时候使用，比行列展开的误差要小很多,Then diamond parcels procedures, then wrapped in the phase when the use of error than the ranks to start much smaller

其中包裹有关QT开始学习的一些简单的例子，广大有所需求的用户可以一这些例子为版本进行学习-One parcel of the QT start learning some simple examples, the majority of users need it as a version of one of these examples to learn

调用shell命令，显示显卡信息，包裹显卡的数目，类型等-Call shell command, showing video card information