然后，通过一个计算机模拟程序来显示这些治疗方案分别在139个中低收入国家的可能进展情况。
They then devised a computer model that attempted to show how these would play out in each of 139 low- and middle-income countries.
图1演示了这一情况，该图显示了同一台计算机上的多个应用程序可以使用同一OR B相互通信，并可以与不同计算机上的应用程序进行通信。
This is illustrated in Figure 1, which shows that multiple applications on the same machine can use the same ORB to communicate with each other and with applications on different machines.
不过，在绝大多数情况下，现在的个人电脑看起来几乎全都一个模样——至少是外观上如此：一个键盘、一个无比占地方的显示器，还有一个放着全部计算机硬件的机箱。
But for the most part, PCs have remained pretty much the same - on the outside at least: a keyboard, a space-eating display monitor and a box that holds all the "guts" of the computer.
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