1.
Countermeasures on Ecological Degradation in Sulfur Industry Areas of Zhenxiong
镇雄县磺区生态退化成因及治理对策
2.
RESEARCH ABOUT ANALYSIS OF THE CAUSES OF ECOLOGICAL DEGRADATION OF THE PASTORAL AREAS IN QINGHAI-WITH THE CASE STUDY OF THE GRASSLAND DEGRADATION IN THE THREE RIVES
青海省三江源草地生态退化成因分析
3.
Studies on Degradation Reasons and Management Measures of the Grassland System in Maqu County;
玛曲县草地系统退化成因分析和治理对策研究
4.
An analysis on desertification and degeneration of rearing farm for Antheraea pernyi and a basic conception to promote sericulture development;
柞蚕场砂化、退化成因分析及柞蚕业发展的基本构想
5.
A Study on Grassland Degradation and Sustainable Development of Pastoral Livestock Industry in Inner Mongolia;
内蒙古草地退化成因与草原畜牧业可持续发展研究
6.
Research on Cause of Grassland Degradation and Environmental Management in Maqu County;
玛曲草地退化的成因及环境管理研究
7.
Causes of Grassland Degradation in Dari County of Qinghai Province
青海省达日县退化草地研究 Ⅱ 退化草地成因分析与评估
8.
The Features of Grassland Soil Degradation and Sandification in the Northwest of Sichuan Province and the Analysis to Its Cause of Formation;
川西北草原土壤退化沙化特征及成因分析
9.
any weakening or degeneration (especially through lack of use).
（尤指因为不应用所造成的）任何的减弱或退化。
10.
Status and Causes of Wetland Degradation of Maqu County in Upriver of the Yellow River and Its Protection Countermeasures;
黄河上游玛曲县湿地退化现状、成因及保护对策
11.
A Study on the Causes of Formation and Techniques of Transformation of the Deteriorated Forest Land in Chifeng Region;
赤峰地区退化林地成因及改造技术的研究
12.
Research on Current Situation and Cause of Land Deterioration in Damao County,Baotou;
包头市达茂旗土地退化现状及其成因分析
13.
Cause of Talents Degeneration and Innovation of Enterprise System;
企业人才退化的成因和企业管理体制的创新
14.
Analysis on The Causes and Situation of Degradation of Gan Jia Lake Wetland Environment of Xinjiang
新疆甘家湖湿地环境退化现状及成因分析研究
15.
Analysis on Degradation of Grass Resource and Its Formation Causes in Heilongjiang
黑龙江饲草资源退化现状及其成因分析
16.
Externality Reasons on Wetlands Degradation and Its Ecology Compensation Suggestions
湿地退化的外部性成因及其生态补偿建议
17.
He bilged out.
他因成绩不及格而退学。
18.
Analysis on the causes of degeneration and sandification of alpine grassland in northwest part of Sichuan Province--Taking Hongyuan County as the example
川西北高寒草原退化沙化成因分析——以红原县为例