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纬度变化 [wěi dù biàn huà]
latitude variation
variation of latitude
variation of latitude
- 前面一个问题中介绍了随着纬度变化，人群的身材高度有高矮不同的变化。
In front introduced to change as latitude in a problem, the figure height of the crowd has the change with distinct height. - 叶的上下表皮厚度、1和2年生枝木质部及韧皮部宽度、晚材／早材比值、2年生枝的周皮厚度、木射线长等均随纬度升高而呈下降趋势；而叶的栅栏组织和海绵组织比值、1年生枝表皮厚度、2年生皮层厚度等解剖结构随纬度变化没有明显规律。
Thickness of upper and lower epidermis of leaves, width of xylem and phloem of annual and biennial branches, ratio of late wood to early wood, periderm thickness of biennial branches, and length of xylem ray present decreasing trends with latitude ascending; while ratio of palisade tissue to spongy tissue, epidermis thickness of annual branches, and cortex thickness of biennial branches show unobvious variations with latitude increasing. - 在实际应用中，运用古地磁极性变化和古纬度方法对二连盆地某地区地层定年和地层界面进行识别。
It is verified that this method is effective in dating of stratum and differentiating the boundary between two different layers in the Erlian basin, northeast China.
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