| 释义 |
〔Picard〕French cleric and astronomer who made an accurate measurement of a degree of meridian and subsequently calculated the circumference of the earth (1668-1670).皮卡尔，简：(1620-1682) 法国教士和天文学家，曾做过一次经度的精确测量，并由此而计算出地球的周长(1668-1670年）〔longitudinal〕a longitudinal reckoning by the navigator; made longitudinal measurements of the hull.领航员进行经度计算；计算船身长度〔prime〕One used to represent a unit of measurement, such as feet or minutes in latitude and longitude.用来代表衡量单位：用来代表某一测量单位，如经度或纬度上的英尺或分〔longitudinal〕Of or relating to longitude or length:经度的：经线或长度的或与之相关的： |