负正负
negative-positive-negative
应力正负规定
stress positive-negative regularity
正负倍压电荷泵
step-up and inverse charge pump
正负测量误差
positive and negative error measure
positive and negative measurement errors
正负冲突
positivenegative conflict
plus minus conflict
plusminus conflict
正负地形
positive and negative terrains
正负对称旋转角
inverse symmetry rotation angles
正负法
positive-negative algorithm
method of positive and negative cases
Positive and negative cases method of
plus-minus method
method of positive and negative
正负峰加和法
Positive-negative peaks summation spectrophotometry
正负复合符号
combined plus and minus sign
正负个案法
positive and negative cases method
正负共沸液
positive-negative azeotrope
正负画圆法
right-and-lose drawcircle