Set the alarm value with "t" distribution method.

并利用T分布法设置警戒值。

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The system also has the function of sound and light alarm, and it can set the alarm value by the upper and lower button.

该系统还具有声光报警功能，并可通过按键对报警上下限进行设置。

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According to the compare of the actual data and the alarm value of the dissolved gas in the oil, we can make whether there is failure and its primary characteristic for the transformer.

按油中溶解的特征气体含量数据与注意值比较进行判断，可以对变压器等设备有无故障及故障性质作出初步判断。

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Japan has looked on in alarm as the rise in the value of the yen is impacting Japanese exports and threatens to choke off any hope of economic recovery.

FORBES: China and the Looming Currency Showdown in Seoul