This paper reviewed the key diagnostic index and optimized regulating route of high yield population quality about mulch drip irrigation cotton.
论述了膜下滴灌棉花高产群体质量诊断的主要指标及群体优化调控途径。
The water quality of Urumqi river was evaluated using biological index. Which is on the basis of analysis of the population structure of benthic animal in Urumqi river.
通过对乌鲁木齐河底栖动物种群结构的分析，利用生物指数评价乌鲁木齐河水质状况。
The physical quality of life index is abbreviated as PQLI, and also called population performance figures. The life index reflects the quality of the people from two respects of health and culture.
生命质量指数(简称PQL)，也称人口质量指数，是从健康和文化两方面反映人口质量的综合指数。
The physical quality of life index is abbreviated as PQLI, and also called population performance figures. The life index reflects the quality of the people from two respects of health and culture.
生命质量指数(简称PQL)，也称人口质量指数，是从健康和文化两方面反映人口质量的综合指数。
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