Here's the line of latitude drawn precisely over Middle Island's southernmost location.
这是在中间岛最南端精确绘制的纬线。
Line of latitude
原声例句
传说之境
11.Around the World in 80 Days（29篇完结）
They are called lines of latitude. Do you know the most famous line of latitude?
它们被称为纬线。你知道最著名的纬线吗？
TED-Ed（视频版）
Ptolemy built his grid out of lines we still use today: 180 lines of latitude and 360 lines of longitude.
托勒密用我们今天仍在使用的线构建了他的网格：180 条纬线和 360 条经线。
经济学人-文艺
It recommended using geometric lines of latitude and longitude to convey a three-dimensional Earth on a two-dimensional surface, and it included the co-ordinates of over 8,000 locations in the ancient world.
它告诉人们如何用经纬线这样的几何线条在二维的平面上表现出三维的地球来，书中还有古代世界8000多个地点的坐标。
TED-Ed（视频版）
What you need is some way to use the sphericalness of the planet, some of its notable features, and the fact that lines of latitude aren't really lines— they're circles.
你需要的是某种方式来利用行星的球形，它的一些显着特征， 以及纬度线不是真正的线 - 它们是圆的事实。
中文百科
纬线 Circle of latitude
（重定向自Line of latitude）
纬线和经线一样是人类为度量方便而假设出来的辅助线，定义为地球表面某点随地球自转所形成的轨迹。任何一根纬线都是圆形而且两两平行。纬线的长度是赤道的周长乘以纬线的纬度的余弦，所以赤道最长，离赤道越远的纬线，周长越短，到了两极就缩为0。纬线指示东西方向。
英语百科
Circle of latitude 纬线
（重定向自Line of latitude）
A circle of latitude on the Earth is an imaginary east-west circle connecting all locations (ignoring elevation) with a given latitude. A location's position along a circle of latitude is given by its longitude.
Circles of latitude are often called parallels because they are parallel to each other – that is, any two circles are always the same distance apart. Unlike circles of longitude, which all are great circles with the centre of Earth in the middle, the circles of latitude get smaller as the distance from the Equator increases. Their length can be calculated by a common sine or cosine function. The 60th circle of latitude is half as long as the equator (disregarding Earth’s minor ovality, which is less than 0.3%). A circle of latitude is perpendicular to all meridians.
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