A determination of one's position made by taking bearings at different times and allowing for the distance covered in the interval.
A determination of one's position made by taking bearings at different times and allowing for the distance covered in the meantime.
英语词典包含464360条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。