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arithmetical mean
archit.	算术平均数值
auto.	算术平均值中项
bridg.constr.	算术平均
chem.	算术平均数值
math.	算术平均数
met.	算术平均值
tech.	均数; 等差中项; 算术中项; 序列平均值
arithmetical means
busin.	算术平均数

arithmetical mean : 14 phrases in 5 subjects

Architecture	1
Business	1
Forestry	2
Information technology	1
Technology	9