China launched the first satellite of its Compass system on April 14.

中国已经在四月十四日成功发射了其第一颗指南针系统的定位卫星。

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As the compass system is an intelligent part of vehicle, the study on it is very important.

车载电子指南针系统作为人性化部件之一，对它的研究具有重要意义。

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In April 2007, China launched the first medium earth orbiting satellite that belongs to their Compass system.

2007年4月，中国发射了属于其北斗一号系统的首颗地球中轨道卫星。

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It integrates a multi-GNSS location engine supporting GPS, Galileo, Glonass and Compass satellites to improve the navigation system performance in obstructed environments, Combined with SiRFDRive(R) dead reckoning software, the SiRFprimaII delivers seamless navigation experience whether driving in dense urban canyons or through tunnels or multistory parking lots.

ENGADGET: CSR sharpens indoor and in-car navigation with SiRFstarV, SiRFusion and SiRFprimaII

The Asian country is also deploying its own satellite-navigation system known as BeiDou, or Compass.

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