equiaffine

例句：

1. 1. The equator is the line of longitude that bisects the Earth's circumference at its widest point.
   赤道是地球周长在最大宽度处被分为两半的经线。
2. 2. The equatorial region experiences more extreme weather conditions due to its position relative to the sunand other planets.
   赤道地区由于其相对于太阳和其他行星的位置，经历更极端的天气条件。
3. 3. The equatorial line represents the point where the Earth's rotation axis crosses the equator.
   赤道线是地球自转轴穿过赤道的那一点。