1·Widespread distributed pure carbonate rock is the basis on which stony desertification formed while relief and vegetation retrogression process can also promote desertification.
广泛分布的纯碳酸岩是形成石漠化的基础，地貌植被退化过程也可促进石漠化。
2·Panicle fertilizer can increase spikelets and prevent spikelet retrogression and lay a foundation for heading safely and increasing kernel setting and kernel weight.
穗肥能够增加颖花数和防止颖花退化，为适时安全抽穗和提高结实率、粒重打好基础。
3·The retrogression in language is a reflection of progression in cuisine against the background of hunger for millet food.
语言的“退化”，反映了饮食的进化，背景是“粟食”的饥饿。
1·The neurotrophic and myotrophic effect of CNTF may play an important role in the treatment of nerve muscle injury and retrogression.
CNTF的神经和肌肉双重营养性能使其可能在神经肌肉损伤和退行性病变的治疗上发挥重要作用。
2·Conclusions Long-term alcohol consumption could induce acinar cell retrogression and decrease pancreatic exocrine function.
结论长期乙醇摄入可导致大鼠胰腺腺泡细胞退行性改变及外分泌功能减低。