谷歌自动完成如何在搜索中工作

Autocomplete is a feature within Google Search designed to make it faster to complete searches that you’re beginning to type. In this post—the second in a series that goes behind-the-scenes about Google Search—we’ll explore when, where and how autocomplete works.

自动完成是谷歌搜索中的一项功能，旨在使你更快地完成开始输入的搜索。在这篇文章中，我们将探讨自动完成功能在何时、何地以及如何工作，这是关于谷歌搜索的幕后系列的第二篇文章。

Using autocomplete

使用自动完成功能

Autocomplete is available most anywhere you find a Google search box, including the Google home page, the Google app for iOS and Android, the quick search box from within Android and the “Omnibox” address bar within Chrome. Just begin typing, and you’ll see predictions appear:

自动完成功能在你发现谷歌搜索框的大部分地方都可以使用，包括谷歌主页、iOS和Android的谷歌应用、Android内部的快速搜索框以及Chrome内部的 "Omnibox "地址栏。只要开始输入，你就会看到预测结果出现。

In the example above, you can see that typing the letters “san f” brings up predictions such as “san francisco weather” or “san fernando mission,” making it easy to finish entering your search on these topics without typing all the letters.

在上面的例子中，你可以看到输入字母 "san f "会出现诸如 "旧金山天气 "或 "san fernando任务 "之类的预测，这使得你可以很容易地完成输入这些主题的搜索，而无需输入所有字母。

Sometimes, we’ll also help you complete individual words and phrases, as you type:

有时，我们也会在你打字时帮助你完成个别单词和短语。

Autocomplete is especially useful for those using mobile devices, making it easy to complete a search on a small screen where typing can be hard. For both mobile and desktop users, it’s a huge time saver all around. How much? Well:

自动完成功能对使用移动设备的人特别有用，使他们在打字可能很困难的小屏幕上轻松完成搜索。对于移动和桌面用户来说，它都是一个巨大的时间节省者。有多大作用？好吧。

• On average, it reduces typing by about 25 percent

  平均而言，它可以减少约25%的打字量

• Cumulatively, we estimate it saves over 200 years of typing time per day. Yes, per day!

  累计起来，我们估计它每天可以节省200多年的打字时间。是的，每天!

Predictions, not suggestions

预测，而不是建议

You’ll notice we call these autocomplete “predictions” rather than “suggestions,” and there’s a good reason for that. Autocomplete is designed to help people complete a search they were intending to do, not to suggest new types of searches to be performed. These are our best predictions of ...