This is a useful map, you only need to click the name of the city and it will be OK.

这是一幅很实用的地图，只要点击城市名称就OK，可精确到街道，商场，银行等。

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The first step in creating a useful map of the interior of your building is to define coordinates around the interior structures.

创建建筑物内部结构地图的第一步是定义内部结构的坐标。

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They can provide a useful overview—an aerial map, as it were, to familiarize you with the main landscape features to be encountered during a course.

它们可以提供一个有用的概览——一个航拍图，可以让你熟悉课程中遇到的主要景观特征。

youdao

But as an early working hypothesis, the question of whether Gore can do to Bush what Bush's father did to Dukakis provides a useful road map to what's ahead.

CNN: Jeff Greenfield: Party like it's 1988

But, he says, Nokia probably will push for a map that is most useful for its customers all around the world.

NPR: Map-Making Firms Rumored to Sell for Billions

"I thought if I could fill in information on North Korea, it might be useful in an emergency or a tragedy if Google can provide a map for aid agencies, " Mr. Hwang said.

WSJ: Google Maps Details Streets, Prison Camps in North Korea