It is shown by prac - tical prediction that the predictions were stable and had higher precision.

实际结果表明:预测结果稳定可靠,具有较高的精度.

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Jeff: This method is easy to succeed quickly . Annie should prac - tice the flying saucer.

杰夫: 这种方法容易速成, 安妮应该练飞碟.

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This paper expounds the mining prac tice of hunan huanshaping lead - zinc mine.

回顾总结了湖南黄沙坪铅锌矿采矿实践.

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It is shown that theequation and the amendment to the calculation value is reasonable and prac - tical.

通过比较计算值与实验值的差别,分析误差原因、提出修正计算的办法.

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