他们测试了海拔17500到25400英尺之间的积雪和土壤的样本，发现这些样本的砷和镉都超过了美国环境保护局的标准。
Between 17, 500 and 25, 400 feet in elevation, the snow and soil samples they tested exceeded the U.S. Environmental Protection Agency's tolerance levels for both arsenic and cadmium.
方法采用国家标准测试方法，对灵芝GAP种植基地的水源、土壤环境和大气环境及灵芝药材进行分析评价。
Methods Use National Standard test methods to analyse and assess the quality of water, soil, air and Ling-Zhi in the Ling-Zhi cultivation base.
方法采用国家标准测试方法，对灵芝GAP种植基地的水源、土壤环境和大气环境及灵芝药材进行分析评价。
Methods use National Standard test methods to analyse and assess the water, the soil environment, the air environment and the Ling-Zhi medicinal materials in Ling-Zhi plant base.
通过对国家标准物质土壤有效态的测试，结果与标准值基本一致，测得值都在标准值的不确定度范围内。
After testing the national standard substance (GBW 07416) of soil available composition, the analytical results are nearly in accord with standard values.
通过对国家标准物质土壤有效态的测试，结果与标准值基本一致，测得值都在标准值的不确定度范围内。
After testing the national standard substance (GBW 07416) of soil available composition, the analytical results are nearly in accord with standard values.
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