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 social control正面社会控制
positive heteropycnosis正异固缩
positive afterpotential正后电位
positive image material正性光刻胶
positive-sense strand正义链
positive heteropyknosis正异固缩(染色体)[指固缩浓度较高, 染色较深]
positive difference set正差集
Positive vorticity zone正涡度区
positive identification正确识别
positive linear mapping正线性映射