作物品种区域试验
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crop variety regional trials
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Crop variety regional trials in several years result in unbalanced data in which every variety was tested in different years and sites.
作物品种区域试验多年资料系参试品种在试验年份、地区上重复数不等的非平衡资料。
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