opposite in sign

基本解释

Negative matter is a hypothetical form of matter whose mass is opposite in sign to normal positive matter.
负质量是一种假象的物质形式，其质量在标示上与正常的正质量相反。
www.infinity-game.com
It is no wonder that despite Pisces being an opposite sign, in terms of element, both Sagittarians and Pisceans make a deadly combination, in terms of intellect.
难怪尽管双鱼座人在元素上与其相对，在智力上射手座和双鱼座却是一对完美组合。
Quantum chemical calculations of gossypol and thymine reveal that the net electronic charge distributions along the boldfaced line of their structural formula (Fig. 2) are just opposite in sign.
量子化学计算棉酚与胸腺嘧啶分子中的净电荷分布，发现沿两者结构式粗线上各原子的电荷恰好符号相反（图2）。

sa So we have 1 s a, and we're drawing this as having a positive amplitude, but since we have destructive interference we're going to draw 1 s b as having the opposite sign, so we have a plus and a minus in terms of signs.
我们有，我们把这画成一个正的振幅，但因为我们是相消干涉,我们把1sb画成相反的符号，所以我们有一正一负两个符号。
麻省理工公开课 - 化学原理课程节选

" In the stands opposite the Toronto bench, three female fans held up a sign that read, "Send Boston Love.
NPR: Celtics Back On Court, Offer Tribute To Victims