用三个类来研究类的继承!类Point、Circle、Cylinder
用三个类来研究类的继承!类Point、Circle、Cylinder...
用三个类来研究类的继承!类Point、Circle、Cylinder...
This driver implements a COM port interface for USB Point-of-Sale devices...
微软的point of sale的源代码,可用作USB转串口的驱动程序...
From your fax application view point it s a fax modem pool. From IP network view point it s a H.323 endpoint with T.38 fax support. From your view poi...
floating point number presentation(IEEE 754 standard)...