- 重点词汇
- 相关例句
尽管植物的生长受到除草剂的影响, 但还未观察到阻遏或解阻遏的证据.
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Covariance analysis was used to analyze herbicide efficacy data from rapeseed experiments.
摘要采用协方差分析方法,对油菜田除草剂的试验结果进行了分析.
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Arsenic is widely associated with the manufature of herbicides and pesticides.
砷广泛地应用于除草剂和杀虫剂的制造中.
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Poisons that generally affect only unwanted plants, or weeds, are called herbicides.
那些只抑制多余植物或杂草生长的药被称为除草剂.
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Scientists have known for years that weeds develop resistance to herbicides.
科学家们早在几年前就了解到杂草对除草剂产生了抗体.
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Among the many regulatory substances in use we have controllable and selective herbicides.
在所有的许多调节物质中,有控制性的和选择性的除草剂.
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Phenylcarbamate herbicides were among the earliest herbicides developed.
氨基甲酸苯酯除莠剂是发展最早的一种除莠剂.
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Herbicides provide a cheaper and more effective means of controlling weeds than cultivation.
除草剂比清耕消除杂草成本低,效率高.
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包括人在内的一些动物是杂食动物,既吃肉类,也吃蔬菜; 而其它动物则或是食肉动物,或是食草动物.
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For herbivorous animals, feeding a variety of grasses, moss and grass surface leaves.
为草食动物, 取食多种禾草 、 苔草及新鲜树叶.
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食草类的鸟足类恐龙可能发青有与哺乳动物一样的横隔膜,以便于有效的呼吸.
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