The different performance of PC104 computer, Jupiter GPS OEM receiver, HMR3000 electronic compass and milemeter is discussed. 介绍了系统重要组成部件:PC104计算机、JupiterGPSOEM接收机、HMR3000电子罗盘以及里程计的主要性能.
We now have a dead reckoning system (see prototype screenshot on Figure 2), named after the ancient naval navigation techniques used when the stars were not visible. 现在我们就有了一个导航预测系统，该系统以古代航海学上在星星不可见时用来导航的技术而命名。
I recoiled at seeing a dead cat on the road. 我在路上看见一只死猫而向後退缩。
It was cloudy; and the captain had to calculate our position by dead reckoning. 空中阴云密布，船长不得不用罗盘测航法以确定我们的位置。
The truck came to a dead stop out of the gate. 那辆卡车在大门外突然停下。