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- A prey-predator system model with sexual favoritism is considered,and a sufficient condition of uniform persistence is given out. 讨论了一个具有性别偏食的食饵捕食系统,得出了系统灭绝和一致持久的充分条件。
- Using the comparion theorem of difference equation, persistence theorem of discrete semi-dynamical system and stability of monotonous operator, we gain the boundary, uniform persistence and permanence of the system. 应用差分方程的比较原理,离散半动力系统的持久性定理以及单调算子的三分稳定性,获得系统的有界性,一致持久性,永久持久性。
- Keywords cross-infection of disease;regional asymptotic stability;attractability;uniformly persistent; 疾病交叉感染;区域渐近稳定性;吸引性;一致持续生存;
- Fog will persist throughout the night. 雾将整夜不散。
- She resented his persistent approaches. 他一再地表示亲近使她很反感。
- He looks very manly in his uniform. 他穿着制服十分精神。
- He will persist in riding that dreadful bicycle. 他执意要骑那辆破自行车。
- That morning they all had on their army uniform. 那天早上他们都穿上了军服。
- A major has a crown on the shoulder of his uniform. 一名少校在制服的肩部有个王冠形的纹章。
- If you persist, you will annoy them even more. 你若固执,他们就更恼火了。
- Cancer is a kind of persistent ailment. 癌症是一种顽症。
- The general's uniform was trimmed with gold braid. 将官的制服饰有金色的穗带。
- He has shown a persistent neglect of duty. 他一贯玩忽职守。
- Everyone should wear clothes uniform with these. 大家都该穿着兴这些相同的衣服。
- The persistent inability to conceive a child. 不孕持续的不能怀孕的能力
- Jack looks well in naval uniform. 杰克穿海军制服很漂亮。
- The rows of houses were uniform in appearance. 这一排排的房屋外表都是一样的。
- Soldiers wear a distinctive uniform. 士兵们穿着特制的制服。
- He is easily distinguished by his uniform. 凭他的那身制服,人们很容易认出他。
- She eventually married the most persistent one of her admirers. 她终于嫁给了最执着追求她的人。