正负 meaning in English
plus minus
plus-minus
Examples
- Pay special attention to the sign of the answer .
特别注意答案的正负号。 - The positive and negative ions become separated or dissociated .
正负离子彼此分开或解离。 - It is now necessary to introduce a sign convention for radii of curvature .
现在必须介绍曲率半径的正负号规则。 - A molecule where the centers do not coincide is called a polar molecule .
正负电荷中心不重合的分子称为极性分子。 - The chipped area is not between the lugs of adjacent positive and negative plates .
破碎部分不在相邻的正负极耳之间。