| 释义 | 
		pro·duc·tiv·i·ty I. \ˌprōˌdəkˈtivəd.ē, ˌpräˌ-, -vətē, -i also prəˌ- or prōˌ- sometimes ˌpräd-\ noun (-es)  : the ability or capacity to produce : productiveness: as  a.  : abundance or richness in output   < the remarkable productivity of novelists — E.A.Bloom >  b.  : the physical output per unit of productive effort  c.  : the ability of land to produce a given yield of a particular crop  d.  : the degree of effectiveness of industrial management in utilizing the facilities for production; especially  : the effectiveness in utilizing labor and equipment II. noun  : the rate per unit area or per unit volume at which biomass consumable as food by other organisms is made by producers |