contrariety


n. 相反物;反对;矛盾

英文词源

contrariety (n.)
late 14c., from Old French contrarieté, from Late Latin contrarietatem (nominative contrarietas) "opposition," noun of quality from contrarius (see contrary).

实用例句

1. I _ 7 is amended in this paper . When a image overturn 180� �, its value is contrariety.
文中修改了第7个矩不变量I7,对翻转180°后的图像, 其值保持不变,符号刚好相反.
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