Change of underground water level dynamic tendency for more than one year may be anomalous one, when there is no increasing or decreasing in water quantity.
在无其他因素引起水量增、减条件下,地下水动态大于一年的趋势变化是地下水动态的异常变化。
There were a series anomalous climatic phenomena of cold and drought after and before flood year.
同时,存洪水年前后,伴随着一系列寒冷、干旱的气候异常现象。
Effects of the half year and month anomalous frequency velocity rate methods are tested.
对半年和月异常频次速率法的应用效果进行了检验。
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