Part 2 of this tutorial will show the implementation of this application using a COBOL server program.
本教程的第2部分将展示如何用COBOL服务器程序来实现这个应用程序。
Application virtualization refers to a separation of program execution from program display; in other words, a program executes on a server, but the graphical output is sent to a remote client device.
应用程序虚拟化是指把程序的执行与程序的显示分隔开；换句话说，程序在服务器上运行，但是把图形化输出发送到远程客户机设备。
A client program on the workstation might use the application server clock, but the time value will be different from what the user sees on the workstation itself.
在工作站上的客户机程序可能使用应用服务器时钟，但是时间值将因用户在工作站本身所看到的东西而不同。
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