productivity
/ˌprɒdʌkˈtɪvətɪ/noun
mass noun
1- the state or quality of producing something, especially crops（尤指生产庄稼的）生产力, 生产能力：
the long-term productivity of land
土地的长期生产力
agricultural productivity.
农业生产力。
1.1
- the effectiveness of productive effort, especially in industry, as measured in terms of the rate of output per unit of input生产率（尤指工业投入与产出的比率）：
workers have boosted productivity by 30 per cent.
工人使生产率提高了30%。
1.2
- Ecology the rate of production of new biomass by an individual, population, or community; the fertility or capacity of a given habitat or area【生态】生产力, 繁殖力：
nutrient-rich waters with high primary productivity.
初级生产力很高的富含养分的水体。