本文通过野外植被、土壤和地表蚀积状况调查与室内分析测试相结合的方法，对盐池沙地退化草场植被恢复的效果进行了调查。
In this paper, by investigating soil, field vegetation, and surface wind erosion status, combining indoor analysis, the effect of vegetation recovery on sandy degraded grassland in Yanchi is studied.
该测试方法规定了曝露在氙灯辐射、湿气和热量中的土工布拉伸强度退化的测定。
This test method provides the general principles and procedures which are currently in use for determining the colorfastness to light of textile materials.
通过野外全面调查、样点调查、样方调查和室内测试分析，对云南长江上游洋派河小流域退化生态系统的人为诱导修复进行了研究。
The ecological restoration of Yangpaihe watershed in Yangtze upper-reaches is researched with the methods of overall inventory, sample plot survey and indoor room analysis.
该测试方法规定了曝露在氙灯辐射、湿气和热量中的土工布拉伸强度退化的测定。
This practice covers three types of laboratory weathering exposure procedures for evaluating the effect of actinic radiation, heat, and moisture on sealants.
该测试方法规定了曝露在氙灯辐射、湿气和热量中的土工布拉伸强度退化的测定。
This practice covers three types of laboratory weathering exposure procedures for evaluating the effect of actinic radiation, heat, and moisture on sealants.
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