GPS(Global Position System,全球定位系統(tǒng)),全稱為NAVSTAR GPS(NAVigation Satellite Timing And Ranging Global Position System,導(dǎo)航星測時(shí)與測距全球定位系統(tǒng))。
The precision of a measurement system, alsocalled reproducibility or repeatability, is the degree to which repeatedmeasurements under unchanged conditions show the same results. 精密則是指多次量度或計(jì)算的結(jié)果的一致程度。