正负号 meaning in English
plus-minus sign
plusmn;plus or minus
±plus or minus
Examples
- Pay special attention to the sign of the answer .
特别注意答案的正负号。 - 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。 - When any two rows or two columns are interchanged, the sign of the determinant is changed .
当任何两行或两列互换时，行列式的正负号改变。 - He did not use negative numbers, which he regarded as contradictory, but introduced a complicated scheme called "correspondence of signs" .
他不使用他认为有矛盾的负数，却引进了一套复杂的图表，称为“正负号的对应”。 - Sign and type of measurement of sea surface temperature
-海面水温正负号及量度方式标记