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.
一项调查显示，可以使用模拟程序来训练外科医生，使他们的技术更快、更好。
Using simulators to train surgeons makes them quicker and better, a study shows.
模拟程序可以使用模拟的万用表来探测电路的参数，并即时显示电压和电流。
The app features a multimeter that you use to probe around the circuit to instantly read voltages and currents.
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