我国将于5月1日发布一款基于自主研发的北斗卫星导航系统（也称COMPASS）的地图应用。
A map app based on the self-developed BeiDou Navigation Satellite System, or COMPASS, is expected to be launched on May 1.
这款应用将提供实时定位和导航，以及餐厅和商店位置等其他信息服务。
The app will provide real-time positioning and navigation, and other information services such as the locations of restaurants and shops.
作为美国全球定位系统的竞争对手，其精确度达一米以内，能精准定位到车道。
As a rival to the US' Global Positioning System, it has precision to within one meter and can precisely locate a lane.
这款地图应用将在人们驾车时提供路标提示和语音导航。基于实时更新，北斗地图应用可给出优化建议。
It will provide road sign prompts and voice directions while driving. Based on real-time updates, the Beidou map app can give optimized suggestions.
这种类似全球定位系统的导航系统由中国国家航天局开发，受中国卫星导航办公室管理。
The GPS-like navigation system is a product of the Chinese National Space Administration and managed by the China Satellite Navigation Office.
北斗是全球第四大导航卫星系统，其他三大系统分别是美国的全球定位系统，俄罗斯的格洛纳斯系统以及欧盟的伽利略定位系统。
BeiDou is the world's fourth navigation satellite system, with the others being the US' GPS, Russia's GLONASS, and the European Union's Galileo.