Thousands of dolphins and porpoises and whales are killed as part of the by-catch each year.
每年作为副渔获物而被捕杀的鲸、海豚和海豚科动物都会达到数千头.
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Photocell Unit & camera for accurate sealing of pouches at Eye-registration mark.
光电装置和摄像机使机器能精确捕捉封口标识.
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方法采用人帐诱、诱虫灯诱 、 动物诱和网捕采集吸血蠓.
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捕食作用作为一种掠夺性的对策其重要意义可归纳为四个主要方面.
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Now a new NZ chapter focuses on predation problems of the species introduced to that country.
现下一新纽西兰章著重于引进到那个国家的物种的捕食问题.
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An image of an approaching predator becomes information about the future now.
一个正在靠近的捕猎者的图像现在就变成了关于未来的信息.
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A three species predator prey chain periodic nonautonomous diffusive system is studied.
对三种群非自治捕食链扩散系统的持续性生存进行了进一步的讨论.
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得到了食饵两性具有不同的出生率和死亡率时,边界平衡点全局稳定的条件及食饵和捕食者一致持续生存的条件.
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They also tell stories about the shapechangers of legend , monsters who prey on the weak.
他们的床边故事里也有变形者, 捕食弱者的怪兽.
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