contrariety
n. 反對,矛盾,相反物
1. the relation between contraries
I _ 7 is amended in this paper . When a image overturn 180� �, its value is contrariety.
文中修改了第7個矩不變數I7,對翻轉180°後的影象, 其值保持不變,符號剛好相反.
contrarieties
varietycontradictiondifferencedisagreement