positiveadj.积极的;肯定的;明确的;正面的;正数的;阳性的n.正面;正数;正片;[语]原级
positive motion cylindrical cam正运动圆柱形偏心轮
positive psychological education平行教学
Positive equilibrium of equation正平衡解
positive negative pulse stuffing正负脉冲
Positive definite complex matrix正定复矩阵
positive definiteness covariance正定协方 差
positive psychological character积极心理品质
positive displacement compressor容积式压缩机
positive-charged poly alcohols正电聚醇
positive-carrier semiconductor正电荷载流子半导体