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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.
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