退化程度 meaning in English
degree of degeneration
Examples
- The dynamics of soil seed banks and seed movement was investigated in three bare alkali - saline patches in songnen grassland , northeast china , for exploring their potential role in the vegetation restoration of bare alkali - saline patches
摘要在松嫩平原不同退化程度的草地中选取三个次生光碱斑，通过分析其土壤种子库和表面种子流动态，探讨了土壤表面种子流在次生光碱斑植被恢复中的潜在作用。 - Deterioration series of populations were analyzed by the means of allozyme and rapd . the results showed that as the deterioration of grassland became heavier , genetic diversity would drop , but there was no distinct linear correlation between genetic diversity and deterioration degree
等位酶和rapd标记分析退化系列种群，其遗传多样性随退化程度加重有降低的趋势，但与退化程度无明显的线性相关。 - The implanted artificial disc is expected to reduce neighboring disc degeneration in the long run , which the does not apply to the conventional fusion procedure . the surgery , the first case done in hong kong , marks the milestone in hong kong cervical spine operation history
此项手术除了纾缓病人由于退化性颈椎间盘引起的神经或脊髓压迫痛症，长远而言减低邻近颈椎间盘的退化程度，弥补传统颈椎融合手术的不足。 - A case study in the xilin river basin of inner mongolia showed that this model could quantitatively analyze the degradation degree , risk degree and easy - restoration degree of the grasslands under different optimizing management levels , which was of significance for applying rational measures with pertinence , and beneficial to the optimal allocation of resources during the management of degraded grassland
结果表明，通过构建退化草地优化管理模型，定量分析流域内不同优化管理等级退化草地的退化程度、危害性和易恢复性，可以有针对性地采取合理的治理措施，有利于退化草地治理中的资源优化配置。 - During the study period , the soil nutrient of arable land and grassland reduced greatly and that of forestland changed slightly . the grassland has the highest soil nutrient , while the arable land has the lowest soil nutrient . as a consequence , the land use change in changling county in the past two decades leads to decrease in the net soil nutrient , as well as the deterioration of regional ecological environment .
20年来，耕地的养分水平下降很大，草地的养分水平退化明显，林地土壤养分含量变化不显著； 20年间林地和耕地的土壤退化程度有所缓和，但不明显；各种土地利用类型的养分水平差异如下：草地林地耕地，说明了退耕还林还草的必要性。