The plant species richness index is not positive relevant to species evenness index for which represents the evenness extent of species distribution instead of the quantity of species.
物种丰富度指数与均匀度指数并非存在正相关关系，均匀度指数反映的是物种分布的均匀程度，并不反映其物种数量的多少。
Monitoring the quality and quantity of available river water basic informations, provide analysis results for water resources development, distribution and protection services.
监测掌握河道来水的质和量两种基础资料，提供分析结果，为水资源开发、利用、配置和保护服务；
Premises Distribution System is the foundation of the intelligent library buildings. For insuring its quantity, the library musts enhance the test and check for engineering quantity.
综合布线系统是智能图书馆建筑的基础，为确保其质量，图书馆必须加强对工程质量的检测与验收。
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