Hadoop needs just a few pieces of information to answer my first and second questions: namely, which inputs to process and how to handle map and reduce.

Hadoop只需要几条信息就可以回答我的第一个和第二个问题：即，要处理哪条输入以及如何处理map和reduce。

youdao

How does the browser handle these items and how does it map event handlers, functions, and styles to that textual markup?

浏览器如何处理这些项，如果将事件处理程序、函数和样式映射到该文本标记？

youdao

In that case, you must first obtain a handle to the map and then call APIs that take coordinates on that map.

在这种情况下，必须先获得一个地图手柄，然后调用在此地图上获取坐标的API。

youdao

The Dash Express also supports WiFi to handle more bandwidth-intensive but less-frequent tasks such as downloading map or system updates.

ENGADGET: Switched On: Dash delivers open roads, open questions (Part 1)