Robinho gave the Brazilians the lead on Felipe Melo's brilliant low pass up the middle of the field that the striker put home with a low shot.

在费利佩·梅洛绝妙的中场低传球的帮助下，罗比尼奥低射命中使巴西队领先。

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Plants, especially in population of two years, have bigger bodies in low and middle densities than that in high densities in field. It's the effect of density dependence.

人工种群植株不同密度间个体生长差异显著，尤其是人工二年生种群植株中、低密度区比高密度区个体生长得较大，体现了密度制约的效应。

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Thus it proved that deeply-exploitation of middle - and low-yield field possessed better economic and ecological profit.

由此表明，中低产田深度开发具有良好的经济效益和生态效益。

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