从一个月的日温度值计算日平均温度就是聚合运算的一个示例。
An example of an aggregation operation is calculating the average daily temperature from a month's worth of daily temperature values.
通过连续一年对北京地区气候进行观测，发现可利用气象预报值计算日平均温度。
Through one year of continuous climate observation in Beijing area, it is found out that weather forecast values may be utilized to calculate daily average temperature.
实验结果表明，有机物覆盖使土壤的日最高温度和日平均温度降低，但却使土壤的日最低温度得以提高。
The experiment results showed that the daily maximum and daily mean value of soil temperature were decreased, the daily minimum of soil temperature was increased in comparison with control.
利用中国74个测站1960 ~ 1991年日平均温度研究了中国月平均温度的气候噪声和潜在可预报性。
Climatic noise and potential predictability of monthly mean temperature have been studied based on the data at 74 stations selected over China from 1960 t0 1991.
利用中国74个测站1960 ~ 1991年日平均温度研究了中国月平均温度的气候噪声和潜在可预报性。
Climatic noise and potential predictability of monthly mean temperature have been studied based on the data at 74 stations selected over China from 1960 t0 1991.
应用推荐