bifactor theory双: two; twin; both; dual因子: divisor; factor; determiner; ...论: The Analects of Confucius双因子变换: double factor transformation双因子试验: double factorial experiment下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:双因子论，即可在微信中查询翻译
