The statistic characters, analytic method and traditional experiment of a random vibration were introduced firstly.

作者首先对随机振动的统计特性、分析方法和控制实验作了简单介绍。

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Method : 60 cases were random divided into 2 groups, 30 cases in experiment group were taken supersonic atomization with menthol, another group with regular medicine.

方法按随机对照临床试验原则将60例患者分为2组，实验组超声雾化吸入薄荷，对照组按常规方案超声雾化吸入。

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Method : 60 cases were random divided into 2 groups, 30 cases in experiment group were taken supersonic atomization with menthol, another group with regular medicine.

方法按随机对照临床试验原则将60例患者分为2组，实验组超声雾化吸入薄荷，对照组按常规方案超声雾化吸入。

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