alpha coefficientα系统: alpha systems系数: [数学] coefficient; ratio; modulus; quotient; factor 安全系数 coefficient of safety; 光学系数 optical coefficient beta系数: beta coefficientk系数: k factor; k-factorq系数: q quotient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:α系数,即可在微信中查询翻译