“回归线”造句
南北
回归线是日照直射点的最远纬度.
Tropic of capricorn and cancer is the furthest latitude of sunlight.
我们在地图上找到了
回归线的位置.
We find the position of the tropics on the map.
我们怎样衡量我们的样本
回归线拟合样本数据有多好 呢 ?
How do we think about how well our sample regression line fits our sample data?