加权算术平均法

采用以面积为权重的加权算术平均法来计算单位面积肥料养分施用量，具体分析了福建省的化肥养分投入状况和主要农作物的化肥消费结构。

The fertilizer nutrients input and the main crop fertilizer consumption structure in Fujian province were specifically analyzed by calculating the per unit area applied quantity of fertilizer nutrients , using the weighted arithmetic average method weights by the area .

运用组距数列组中值加权算术平均法计算平均指标比较麻烦，也容易出错；

The method that using weighted arithmetic average of class interval ' class mid-value in computing the average is troublesome and is wrong .

首先，通过层次分析法确定指标体系中16项具体指标的权重，并采用加权算术平均法确定6项评价指标的评价结果；

Firstly , the weighted value of every idiographic indicator in this system was established by analytical hierarchy process , and weighted arithmetic average was used to determine the analysis results of the indicators ' values of six aspects .

对各地理种群间的遗传距离采用非加权配对算术平均法（UPGMA）进行聚类分析发现，遗传距离与种群空间分布距离呈正相关。

The cluster analysis by UPGMA indicated that there was a positive correlation between the genetic distance and geographic distance of different A.hygrophila geographic populations .

通过构造最优化函数进一步探讨了广义加权算术平均组合预测法的最优化理论依据及其数学性质。

Then its optimization basis is given through optimal function and its mathematical properties are discussed in the end .