system productivity meaning in English
系统生产力
系统生产率
Examples
- Research on indication of eco - system productivity for eco - system health
机群的建立及在数值计算中的研究与应用 - Ecological restoration and reconstruction and agriculture system productivity in the west of jilin province
农业生态系统生产力在生态系统健康中的指示性作用 - This framework of agro - ecosystem productivity evaluation is expected to be an innovative attempt comparing to the similar research method before . 2 . the emergy evaluation results show that ( 1 ) the primary system productivity have risen greatly since 1990 in this region
首次引入了能值( emergy )分析方法和生态系统服务( ecosystemservice )价值测算方法并进行了修正，这在同类研究方法上是一种具有创新意义的尝试。 - ( 3 ) the key link in establishing agroforestry is to select fine plant species in accordance with local natural condition . to make full use of the coexistence and to avoid rejection between different species is very important in obtaining the utmost benefits . ( 4 ) agroforestry systems with rational structure could conserve soil and water , ameliorate soil property , raise land use efficiency and increase the system productivity and achieve significant ecological , social and economic benefits
另外在物种选择时要做到适地适树，并且要与当地主导产业结合，产生规模效益， ( 4 )良好结构的农林复合经营系统能够保持水土，改良土壤，提高土地利用率和系统生y两南农业大学硕十学位论文产力，获得更好的生态、社会和经济效益。 - With respect to the ecosystem service , the results show that the value of ecosystem service of ansai county and wuchuan county is 170 times and 151 times of their product value respectively , which reveals that even in fragile area the ecosystem services are do existed and have great value , mat definitely could provide important support to the strategy of restoring vegetation whereas reducing field for raising system productivity
( 3 )安塞县和武川县农业生态系统服务价值分别是其系统产品价值的170倍和151倍，说明即使在生态环境脆弱地区，其生态系统服务也是客观存在的，且价值巨大。