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| 21. | In this paper, predator-prey systems with periodic impulsive effect concerning pest control are proposed |
| 摘要本文通过生物控制和化学控制提出了具有周期脉冲效应与害虫控制的捕食系统。 |
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| 22. | The Air Force hopes it can eventually be used in a follow on to the Predator Drone. |
| 空军希望这种炸弹最终会用于装备“掠夺者”无人驾驶飞机。 |
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| 23. | IN THIS ARTICLE: In Colorado, scientists are trying to return another predator to its former hunting |
| 本文简介：在科罗拉多州，科学家们正力图使另一种食肉动物回归到原先的栖息地。 |
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| 24. | In addition, the Giant Triton, a natural predator of the Crown-of-Thorns starfish, isoften overfished |
| 另外,刺冠星鱼的天敌——大法螺,因其外壳受到收藏者的青睐而经常遭到过度捕捞。 |
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| 25. | I killed a predator,a man who tortured and raped women and I buried him in my backyard. |
| 我杀了个强奸折磨女性的人渣 就埋在我家院子里 |
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| 26. | When one or more predator animals Become extinct, there is an increase of the animals that they use for |
| 当一种或多种食肉动物灭绝了，它们捕食的动物就会增加。 |
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| 27. | The scientists kept six other control cays predator-free and exhaustively counted, marked, and measured |
| 同时，他们彻底地统计、记并测量了12个珊瑚岛上的蜥蜴。 |
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| 28. | crowd-pleasing, monstrous finisher, who gets up and down the floor like a gazelle fleeing an attacking predator |
| 易也是一个令人激动和畏惧的终结者，他在球场两端来回跑动，速度之快就像是遇到猛兽攻击的羚羊一样。 |
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| 29. | (ecology) a hierarchy of food chains with the principle predator at the top; each level preys on the |
| （生态学）一个食物链的层次：主要食肉动物在最顶层，每一层捕食其下一层。 |
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| 30. | In this paper, a stage-structured predator-prey model is studied. |
| 文章研究了具有年龄结构和时滞的捕食-食饵模型,建立了正平衡点全局稳定的充分条件. |
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