English ⇄ Chinese

recursive least-square
geophys.	递归最小二乘法 (method)
recursive least squares
earth.sc.	递归最小二乘方; 递推最小二乘方
recursive least square
space	递归最小二乘法
tech.	递归最小二乘方
recursive least square algorithm
el.	递归最小二乘方算法

recursive least-square: 8 phrases in 4 subjects

Artificial intelligence	2
Earth sciences	3
Electronics	1
Space	2