此源代码为sun公司经典程序之一：piano,对于学习midi库，及编程有极大帮助。-The source code for the sun the company one of the classic procedure: piano, midi library for learning, and programming of great help.

利用相应的信息技术以及互联网技术来协调企业与顾客间在销售、营销和服务上的交互(In order to improve the core competitiveness, the company uses the corresponding information technology and Internet technology to coordinate.)