Some methods like linear prediction, iteration adjustment and recovery of missing feature points are summarized from the experiment, with which the LSM method is improved.

并通过实验总结出线性预测，迭代调整，恢复丢失特征点等方法，并对自适应最小二乘法进行了改进。

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Result:About wound, effect, complication of operation, recovery time and beauty, the improved method is better than the traditional method for thyroid operation.

结果：在创伤、疗效、手术并发症，康复时间，美观方面，本方法优于传统手术方法。

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Oilfield economic benefit can be improved only through timely comprehending of economic limit rate and changing of recovery method.

只有适时了解目前油田的经济产量界限，及时改变油田开采方式，才能提高油田整体经济效益。

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