以下为句子列表：
英文: Abstract: The mechanism of vision automatic guided and automatic drive of farm working group and mechanism of achieving farm corn fertilizing at certain place in certain time with certain quantity fertilizer according to the recognized growing status of c
中文: 文摘:分析了采用机器视觉识别大田玉米的生长状况进而实现大田玉米定时、定点、变量精确施肥和实现农业机组的视觉自主导航和无人驾驶的机理。
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英文: Male reproductive cells travel down the tube and join with the ovule, fertilizing it.
中文: 雄性生殖细胞到达花柱然后加入卵子，使它授精。
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英文: Nitrogen, phosphorus and potassium fertilizers should be used inproper proportions fertilizing for leaf-vegetables and should be used asbasic manure; Appling only nitrogen manure was sure to cause accumulation of nitrate easily.
中文: 叶类蔬菜施肥应氮、磷、钾合理搭配，并宜作底肥施用；单施氮肥容易导致硝酸盐的大量积累。
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英文: The results show that mowing and burning can respectively advance the date of returning green stage for 44 and 28 days, and fertilizing in autumn can prolong the green stage for 13 days.
中文: 结果表明，刈剪和火烧分别使结缕草草坪提前返青44天和28天，秋季施肥可延长绿期13天。
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英文: The soil enzyme activities and nutrient content were assayed in long-term fertilizing soil samples.
中文: 摘要通过长期定位试验地中土壤养分和酶活性的测定结果，将其进行了相关分析、通径分析和主成分分析。
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