Predicting from the length of the middle fingers, the regressive equation of it is (?)

从中指长推算环状软骨最小内径的回归方程为（?）

youdao

Predicting from the length of the middle fingers, the regressive equation of it is (?)

从中指长推算环状软骨最小内径的回归方程为（?）

youdao