Under the covers, the code configures the simulator for the disk (where it loads the LISP interpreter), the card reader (where it reads the job), and the printer (where it emits the output).
在后台，代码为磁盘（在这里加载 LISP 翻译器）、读卡器（在这里读取作业）以及打印机（在这里产生输出）配置仿真器。
The iOS simulator probably does the best job of duplicating the device experience, but you need to test on each device to make sure that everything you're using has reasonable performance.
iOS模拟器可能在复制设备体验方面做得最好，但是你需要在每个设备上都进行测试，以确保你用到的所有东西都有合理的性能。
Controlling equipment's working voice is an important job during developing simulator.
设备工作声音的控制是模拟器开发的重要组成部分。
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