方法运用集中度法及圆形分布法对福州市1990—2006年13种常见传染病的季节分布特征进行分析。
Concentration and circular distribution method were used to analyze the seasonal distribution features of 13 common infectious diseases during 1990-2006 in Fuzhou City.
本文引入加权迭代方法将其有效地运用于常见的圆形域干涉图的处理。
In this paper, it is effectively used for circle fields by introducing weighted and iterative methods.
运用Excel97中的函数功能，编写出压力容器椭圆形封头厚度的计算程序。
The procedure for calculating thickness of elliptic heads of pressure vessel was compiled by applying function in EXCEL97.
应用推荐