Productivity

来自Big Physics
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wiktionary

ref 

productive +‎  -ity


etymonline

ref

productivity (n.)

1809, "quality of being productive," from productive + -ity. An earlier word for this was productiveness (1727). Economic sense of "rate of output per unit" is from 1899.

取自“https://www.bigphysics.org/index.php?title=Productivity&oldid=23022”