对GGE 作单值分解，并以第一和第二主成分近似之。
The GGE data is then subjected to singular value decomposition and is approximated by the first two principal components.
根据第一主成分和第二主成分的特征向量计算各时间段的第一主成分和第二主成分的指标值。
Then utilizing principal component analysis, the author analyzed the data of each period and concluded that the first and second principal component's accumulative proportion is more than 85 percent.
第二主成分体现了蜜蜂翅脉角的大小，东岱和张用新2的蜜蜂翅脉角最大，森林公园的蜜蜂翅脉角最小。
In factor 2, mainly representing wing venation angle variation, the honeybees' wing venation angles of Dongdai and Zhangyongxin2 group were biggest and Senlin Park group was smallest.
近百年来旱涝等级资料的第一主成分有显著的3年、8年、11年周期，第二主成分有14年、29年的周期。
The first main component of recent100year through drought and excessive rain ranking data has an obvious3| 8| 11| year cyc the second component14| 29| year cyc.
电子舌测定结合主成分分析法(pca)的结果显示，在第一和第二主成分的得分图上，电子舌可以区分特征十分相近的不同等级的普洱茶。
The electronic tongue was used in combination with principal component analysis (PCA) for the classification of tea samples from three quality grades.
电子舌测定结合主成分分析法（PCA）的结果显示，在第一和第二主成分的得分图上，电子舌可以区分特征十分相近的不同等级的普洱茶。
Results Analyzing the data with principal component analysis(PCA) by model recognition, the different agents can be distinguished in the scattered plots.
随着光前驱和主波包通过第二组铷原子，科学家就可以对这两个光子成分的速度进行测量。
As the optical precursor and main wave packet traveled through a second group of rubidium atoms, the scientists took measurements on the speed of the two photon components.
第一主成分综合反映了区内土壤盐渍化程度，第二和第三主成分联合反映了土壤的碱性特征。
The first principal component can denote the degree of soil salinity, and the second and third principal component can denote the degree of soil alkalinity.
第二个主成分只有长短径比，两种主成分能解释肌纤维变异量的累积比率达到了89.70％。
The morphological qualitative parameters were the ratio of long diameter to short diameter. The two principal components contribute to 89.70% together.
第二个主成分只有长短径比，两种主成分能解释肌纤维变异量的累积比率达到了89.70％。
The morphological qualitative parameters were the ratio of long diameter to short diameter. The two principal components contribute to 89.70% together.
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