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。

Using satellite navigation systems, their exact locations were also logged - allowing the scientists to pinpoint the happiest parts of the country.

youdao

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。

Using satellite navigation systems, their exact locations were also logged - allowing the scientists to pinpoint the happiest parts of the country.

youdao