Ushahidi, a crisis mapping platform, has been providing updates on its work crowdsourcing information on the ground.

而一个名叫ushahidi的人道危机地图应用，一直以来通过从大众获取数据的方法实时更新着各种可能的人道危机讯息。

youdao

The team used a satellite photo of a suspected submerged city to find the site then surveyed it with a combination of deep-ground radar, digital mapping, and underwater technology.

研究小组首先利用可能是被掩埋城市的卫星影像来寻找遗址，然后综合利用探地雷达，数字地图和水下技术来进行进一步调查。

youdao

The commander on the ground can use such a device for mapping, for reconnaissance, for spraying CS gas or for explosively collapsing a building as required by hanging the right module on it.

战场指挥官可以按要求挂上正确的模块来使用这样一种装置来绘图，侦察，喷撒战斗支援气体或者爆破摧毁一个建筑。

youdao

Beyond Ground Truth, Google also aims to improve its service by mapping the interiors of more buildings - the current emphasis is on transport hubs, shopping centres, museums and business that pay for an approved photographer to visit them.

BBC: Google Maps uses Ground Truth project to battle Apple