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proficiency [prə'fɪʃ(ə)nsɪ] n
gen.	精通 (in)
auto.	业务能力
sport.	熟练; 水平; 熟练性
tech.	精通; 潜能
telecom.	专家; 能手; 熟练的; 精通的
English thesaurus
proficiency [prə'fɪʃ(ə)nsɪ] n
mil., abbr.	pro; profcy

proficiency: 38 phrases in 17 subjects

Animal husbandry	1
Automobiles	1
Aviation	5
Business	3
Commerce	3
Corporate governance	2
Electronics	1
Exhibitions	1
General	4
Gymnastics	1
Logistics	3
Management	2
Psychology	1
Space	1
Sports	3
Technology	3
Textile industry	3