我没有全球定位系统。
I think it has many advantages over GPS.
我认为它比全球卫星定位系统有更多优势。
I would be very interested in how they got a 10-nanosecond uncertainty, because from the systematics of GPS and the electronics, I think that's a very hard number to get.
我对于他们如何做到10纳秒的不确定度很感兴趣,因为从GPS系统以及电子学来说,我认为这是一个很难达到的数字。
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