经度的英文：
longitude

Degrees of latitude and longtitude
纬度经度

geocentric latitude [ longitude ]
地心纬度[经度]

circle of longitude
经度圈;经度圈;黄经圈;黄纬圈

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

Every place on the same meridian has the same longitude.
同一经线上的地方其经度相同。

The error in azimuth must be controlled by astronomical observations for azimuth(and longit ude)
方位误差必须观测天文方位角(及经度)来控制。

The difference in longitude between two positions as a result of movement to the east.
东距两地间经度差，指向东移动的距离

Terrestrial longitude is measured in degrees east or west of the greenwich meridian.
地球的经度是被格林威治子午线向东或向西以度数来表示的。

(Alice had no idea what Latitude was, or longitude either, but thought they were nice grand words to say.)
(爱丽丝不明白经度和纬度是什么意思，可她认为这是挺时髦的字眼，说起来怪好听的。)

he would, on the contrary, have lost a day had he gone in the opposite direction, that is westward
实际上，斐利亚·福克在向东走的路上一直是迎着太阳升起的方向前进，所以每当他这样走过一条经度线，他就会提前四分钟看见日出。

circle of longitude
经度圈;经度圈;黄经圈;黄纬圈

Every place on the same meridian has the same longitude.
同一经线上的地方其经度相同。

Rain Water begins when the Sun reaches the celestial longitude of 330°.
当太阳位于黄经330°时，是二十四节气中的雨水。

The difference in longitude between two positions as a result of movement to the east.
东距两地间经度差，指向东移动的距离

The Length for 1° Difference of Longitude in Parallel of Latitude on Mercator Chart .
墨卡托海图上经差1°的等纬圈弧长。