analemma

基本解释

• 8字曲线,赤纬时差图,地球仪8字形曲线,地球正投影仪

同根派生

英汉例句

• What he introduced included oval projection, stereographic projection, analemma and scenography etc.
  关于投影几何，他带来的有椭圆投影、球极投影、平行正投影和透视法等。
• The answer is no, and the shape traced out by the Sun over the course of a year is called an analemma.
  答案是不会，太阳一年中运行的轨迹叫做太阳的八字曲线。
• The Sun will appear at its highest point of the analemma during summer and at its lowest during winter.
  太阳在夏天会出现在八字曲线的最高点，在冬天则出现在最低点。
• One simple use for this is to display the Sun's "analemma" - the "figure eight" shape traced out by the Sun at noon over the course of a year.
  一个例子是显示太阳的“日行迹”-你一年每天在同一时间记录太阳在天空的位置,就得到太阳的8字型轨迹。
• Explanation: An analemma is that figure-8 curve you get when you mark the position of the Sun at the same time each day throughout planet Earth's year.
  说明：日行迹是一条8字形的曲线，标示了地球全年中每天同一时间太阳所在的位置。