而且任何优秀的SDK都会带一个手机操作系统的模拟器，这样开发者在电脑上就可以测试软件，而不一定要真正安装到手机上。

And any good SDK comes with an emulator for the OS itself, so devs can test apps without actually installing them on a phone. Apple's got one, but it only works on Macs.

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在测试的过程中我们碰到过几次程序崩溃，而且模拟器总是有点反应迟钝。不过总的来说，在花钱买新手机之前先体验一下新的手机操作系统是一件很有趣的事情。

We did experience a few crashes in our tests, and the emulator felt somewhat sluggish, but in all, it's fun to try out a new mobile OS before spending money on a new phone.

youdao

任意unix或Microsoft Windows操作系统(使用UNIX shell模拟器)都可用于运行后处理程序工具。

Any UNIX or Microsoft Windows operating system (using a UNIX shell simulator) can be used to run the postprocessing tool.

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