1.But it is hard to be optimistic about this particular recovery. Geographical variation is partly to blame.
不过就此也难以让人完全高兴起来，部分原因在于触目的地域差异。
2.Geographical variation, in the real worlds is infinitively complex.
现实世界中的地理差异极其复杂。
3.Study on Correlation and Geographical Variation Model of Geographical Provenance Characteristics of Dendrocalamus latiflorus
麻竹地理种源性状的地理变异模式及相关性研究
4.Geographical Variation of Morphologic Characteristics of Gleditsia sinensis Seeds and Legumes in the North Region
北方地区皂荚种子及荚果形态特征的地理变异
5.Organic carbon in Icelandic Andosols: geographical variation and impact of erosion
冰岛暗色土中的有机碳：地理变化与侵蚀影响
6.A Tentative Study on the Law of Geographical Variation for Species Source of Pinus massoniana
马尾松种源地理变异规律的初步研究
7.Geographical variation and provenance pision of Alnus cremastogyne
桤木种源的地理变异和种源区划
8.Geographical variation of reproductive parameters in some passerine birds
几种雀形目鸟类生殖参数的地理变异
9.Effect on Genuine Crude of Salvia miltiorrhiza for Geographical Variation of Habitats
丹参地理变异及其道地性探讨