productivity
同义词：
productivity | usefulness | constructiveness | use | utility | fruitfulness |
反义词：
词义辨析：
同义:
n.能生产, 生产, 产生
generation
production
productiveness
n.多产, 多收
fertility
fertileness
fruitfulness
fecundity
prolificness
prolificacy
copiousness
n.产品, 收获
output
yield
production
turnout
capacity
同义参见:
virtue