环境质量参数
- 网络environmental quality parameter
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海水中负二价硫的含量是表征海洋环境质量的重要参数。
The content of S ~ ( 2 - ) in seawater is an important parameter for charactering the quality of ocean environment .
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同时也是反应环境变化的敏感指示生物,其种群数量和组成是评价草地土壤环境质量的重要参数。
It is a sensitive index of any variation in environmental conditions as well . Constitutions and quantities of population are two key parameters for evaluating the soil quality .