positive arc正弧
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 steady-state正平衡点
positive self-concept积极自我概念
positive symmetry model正向对称模型
positive double complex正二重复形
positive phase sequence顺相序
positive dihedral angle正反角
positive supply voltage正相电源电压
positive mistranslation积极性误译
Positive selected sites正向选择位点
positive sealing system可靠止水系统