回归拟合的英文：
regression fit

regression是什么意思：
n. 回归；复原；退化；逆行

The shoreline regressed in response to the situation.
滨线退到相应的位置上。

The attempt leads to an infinite regress.
这种作法会导致无穷倒退。

1.to go or drive against the traffic; to go in the wrong direction; to regress; to retrograde; to retrogress 2.backing; regress; regression; retrogression
逆行

There has been a deterioration in the vitality of the race and a regression in public security.
人类的生命力有所下降，公共安全在退步。

These regressions must be suited to the curvilinear character of the relationships
这些回归方程必须符合相关曲线特征。

fit是什么意思：
v. 合身；适合于；安装；使适应
adj. 适合的；健康的；相称的
n. 适合；合身；突发；昏阙

This cap fits you better.
这顶帽子对你更合适。

To join by or fit into a gain.
在腰槽内连接或配合

This car is fitted with radial tyres.
这辆车配有子午线轮胎。

She was fit to scream.
她几乎要尖叫起来。

make (animals) fit for cultivation.
使（动物）适应耕作。