The plateau-gully-slope morphological pattern of Loess plateau provided a natural foundation of land use structure in the county.
黄土髙原沟壑区塬、坡、沟的地貌格局是土地利用空间格局的自然基础。
Objective: to observe the morphological pattern of collateral anastomoses of extracranial vertebral arteries and discuss its clinical significance.
目的：观察椎动脉颅外段的侧支吻合情况，并探讨其临床意义。
It is believed that these biological and morphological changes are accompanied by differential gene expression pattern at the various stages, which result in special metabolism and development.
这种不同发育阶段的形态学上和生物学上的变化必然伴随着不同的基因差异表达模式，导致血吸虫独特的代谢和发育过程。
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