statistical data base造句

例句与造句

1. Through calculation of annual precipitation according to the statistical data based on long - series of precipitation data , the influences of length of data series on the calculated precipitation were analyzed
   摘要通过长系列降雨资料统计，计算多年平均降水量，分析降水量实测资料系列长、短对所求得的平均年降水量的影响。
2. It's difficult to find statistical data base in a sentence. 用statistical data base造句挺难的