opposite sign

基本解釋

Or to try to get the deviation to become of the opposite sign.
或者讓這個偏離,變個符號。
It is found that opposite sign dislocations appear on the slip plane immediately ahead of the crack tip.
結(jié)果指出，在緊靠裂紋頂端的滑移面上出現(xiàn)和裂紋位錯異號的位錯。
All the physical properties should be identical except for the optical rotations of the two isomers (enantiomers), which are of opposite sign.
這兩個異構(gòu)體（對映體）除了旋光度有相反的符號之外，其他所有的物理性質(zhì)都應(yīng)該是完全相同的。

So I changed the colors here to show that these are 2 p orbitals with an opposite phase or an opposite sign.
我這里換了一種顏色,表示2p軌道,不同的相位或者是正負(fù)號。
麻省理工公開課 - 化學(xué)原理課程節(jié)選
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.
我們有，我們把這畫成一個正的振幅，但因為我們是相消干涉,我們把1sb畫成相反的符號，所以我們有一正一負(fù)兩個符號。
麻省理工公開課 - 化學(xué)原理課程節(jié)選

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