Using satellite navigation systems, their exact locations were also logged - allowing the scientists to pinpoint the happiest parts of the country.
通过每隔两天发短信给参与的志愿者询问他们开心与否，同时还运用了先进的“卫星导航系统”来确定参与者的位置，从而调查出全国位于哪的部分的人们过得最开心。
Our GPS satellite navigation systems pinpoint your location precisely and inform you in a choice of multiple languages the best way to reach your destination.
我们的GPS卫星导航系统可以精确地指出您的位置并使用多种语言为您提供通往目的地的最佳路径。
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