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- The numerical computation for the secular variable of the semi-major axis, solar distance at perihelion, orbital periods and longitude of perihelion has been made for fifteen meteor streams by using the solution of Gylden-Meshcherckii equations. 利用G-M型变质量天体轨道根数变化方程的一阶和二阶解对15个流星群轨道半长轴、近日点距离、轨道周期和近日点经度因太阳质量损失造成的每世纪的长期改变效应做了数值计算，并得出计算结果。
- longitude of perihelion 近日点黄经
- The longitude of New York is 74 degrees west of Greenwich. 纽约的经度是西经74度。
- How much does the direction of perihelion change each orbit? 近日点方向使每个轨道改变了多少？
- The longitude of New York is74 degrees west of Greenwich. 纽约的经度是西经74度。
- The captain determines the latitude and longitude of his ship's position. 船长测定船位置的经纬度。
- Give the latitude and longitude of the site, in degrees, minutes and seconds. 请填写调查地区所在的经度和纬度，用度、分、秒注明。
- Now determine the ecliptic longitude of the sun using the following formula. 现在确定黄道经度的太阳，用下列公式。
- This composite neatly compares two pictures of the Sun taken with the same telescope and camera on the dates of Perihelion (closest approach) and Aphelion in 2008. 这张合成照片直观地比较了两张由同一台望远镜和照相机拍摄的太阳，一张拍摄于2008年近日点，另一个拍摄于同年的远日点。
- Abstract: All orbits by which targets can be covered are described according to the longitude of ascending node. 文摘:以升交点经度的范围来描述所有能覆盖到目标的轨道。
- The longitude of the disk center is38 degrees West and the image scale is17 kilometers(11 miles) per pixel. 木卫三的盘面中心是西经38度，每像素折合17千米。
- The longitude of the disk center is 38 degrees West and the image scale is 17 kilometers (11 miles) per pixel. 木卫三的盘面中心是西经38度，每像素折合17千米。
- Second, the latitude and longitude of the smog area was calculated with these characteristics. 其次利用这些特征计算了阴霾的面积、经纬度范围和中心经纬度值；
- Latitude and longitude of the approximate centre of the site, expressed in degrees and minutes. 地理坐标：该地区大致中心区所在的纬度和经度，用度和分标明。
- Conclusion:The middle longitude of the air-cuff should be placed upon the bracial artery. 结论：气袋纵轴中线应放置于肱动脉上方。
- How can I persuade you of my sincerity? 我如何能够让你相信我的诚意？
- There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
- All orbits by which targets can be covered are described according to the longitude of ascending node. 以升交点经度的范围来描述所有能覆盖到目标的轨道。
- A bowl of hot chicken soup is good for you. 喝一碗热鸡汤对你有好处。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
