GPS is accurate to within about 15 feet (five metres); fine for navigating a car but too imprecise for pedestrians.
GPS的精度为15英尺(相当于5米)；这对于汽车导航来说是足够了，但是对于定位行人来说就太不精确了。
GPS was satellite navigating and positing system, which was researched and used in the USA, about 10 years ago. Its application has been spreaded over the international economy.
GPS全球定位系统是美国研制并在10年前投入使用的卫星导航与定位系统，其应用技术已遍及国民经济的各个领域。
Very few people are in the habit of asking themselves each morning "What will I measure today? " That's a missed opportunity, like failing to look at the compass or GPS while navigating a vehicle.
很少有人会习惯于每天早晨都问自己一遍“今天我要衡量什么”，其实他们错过了一个机会，就像开车没有看指南针或GPS导航一样。
The map matching algorism, the fusion of the road data in digital map and the positioning data given by GPS can effectively improve the positioning accuracy in navigating system for vehicle.
融合电子地图中的道路数据和GPS所提供的定位数据的地图匹配算法，可以有效地提高车辆导航的定位精度。
With the character of precision, real time and low cost, GPS is considered as one of the most important way in navigating system.
GPS全球定位系统以其高精度、全天候、实时性强且价格低廉等特点，正日益成为航海、航空领域进行实时导航定位的重要工具。
Global positioning system (GPS) is now the most precise global navigating. positioning and time broadcasting system around the world.
全球定位系统(GPS)是目前世界上精度最高的全球性导航、定位和授时系统。
Their advice is simple: before you go anywhere, make sure you have the right directions—or, better yet, a global positioning system (GPS) for navigating.
他们的建议很简单：在出发之前，你一定要预先知道怎样走——而更好的办法，就是使用全球位置测定系统作导航。
Their advice is simple: before you go anywhere, make sure you have the right directions—or, better yet, a global positioning system (GPS) for navigating.
他们的建议很简单：在出发之前，你一定要预先知道怎样走——而更好的办法，就是使用全球位置测定系统作导航。
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