[Columnist Walter S. Mossberg answers readers' questions about technology]
专栏作家莫博士回答记者有关科技方面的问题。]
Q: I'll be buying several new Windows 8 PCs this year, all with touch screens. When using spreadsheet and word processor programs, does the touch screen completely replace the mouse?
问：我今年要买几台新的Windows 8电脑，全都是触摸屏的。在使用电子制表和文字处理软件时，触摸屏能完全取代鼠标吗？
A: If you are thinking about Microsoft Office programs, I'd say no. While the forthcoming 2013 version of Office is designed to allow the use of touch instead of the mouse and keyboard, I have found in my tests that the icons and text are too small for that to work comfortably, at least on a desktop or laptop, and I still prefer the mouse and keyboard. In fact, this is a key reason Microsoft itself makes keyboard covers for its Surface tablet.
答：如果你指的是微软Office系列软件，我得说不能。虽然即将发布的2013版Office经过设计，可以用触摸屏替代鼠标和键盘，但我在测试中发现，图标和文本都太小，难以舒适地操作，至少在台式机或笔记本电脑上是如此，而且我仍然更喜欢用鼠标和键盘。事实上，这是微软本身为其Surface平板电脑配备了键盘套件的一个重要原因。
Q: Does the new Google Maps app for Apple devices work on the iPod Touch? Can I download maps in advance on my Touch for use offline?
问：针对苹果设备的新谷歌地图(Google Maps)应用能否在iPod Touch上使用？我能否提前在我的Touch上下载地图，在没有网络的情况下使用？
A: Though Google says the app is 'optimized' for the iPhone 5, it also says it will work on the 3rd, 4th and 5th generation iPod Touch, as well as on the iPad and on older iPhones. Note, however, that turn-by-turn navigation likely won't work because Google says that requires GPS, which the Touch lacks. As for downloading maps for offline use, Google hasn't made this feature available yet for Apple devices.
答：虽然谷歌声称该应用是针对iPhone 5进行了优化，但也表示其在第三、四、五代iPod Touch上，以及iPad和老款iPhone上也能使用。不过需要注意的是，全程导航功能可能无法使用，因为谷歌说这项功能需要Touch所不具备的GPS。至于下载地图供离线使用，谷歌尚未针对苹果设备开放这一功能。
Q: My father gave me several hundred slides that we'd like to scan and convert to digital format. Would you be willing to suggest a couple of reputable companies for this service?
问：我父亲给了我几百张幻灯片，我们想将它们扫描并转换成数字格式。你能否推荐几家从事这项服务的靠得住的公司？
A: One good choice is PeggyBank, which I reviewed recently here: http://tinyurl.com/bmkqdav.
答：PeggyBank是个不错的选择，我不久前进行过评测，网址：http://tinyurl.com/bmkqdav。
Another I have tested successfully would be YesVideo, at http://tinyurl.com/aeqjng7.
我成功测试过的另一家是YesVideo，网址：http://tinyurl.com/aeqjng7。
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