n.反对；矛盾；相反物

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。

The artist believes that interesting things usually happen at the moment of contrariety and conflict. 在心灵上，创作者是自由的像大河的流水；

The wind blowing steady and gentle from the south, there was no contrariety between that and the current, and the billows rose and fell unbroken. 从南方吹拂过来的风柔和而有力，它与海流的方向一致，因此海浪一起一伏，平稳而有节奏。

But such as they were, it may be well supposed how eagerly she went through them, and what a contrariety of emotion they excited. 她读信时的那种心情，简直无法形容。

She did it very scientifically, as knowing the contrariety of coal and the anxiety of flaming sticks to end in smoke unless rigidly kept up to the mark. 她完全按照科学的方法来做，因为她知道木炭的克星还有如果不严格地按照标准做燃烧的拨火棍会马上化为灰烟。

This paper also deals with the design principle, value evaluation, standard system, utilization of withered tree landscape species competition and contrariety between protection and utilization. 文章还涉及古树景观的设计原则、价值评测、指标体系和枯树景观利用以及物种竞争、开发与保护的矛盾等问题。