开发周期
kāi​fā​zhōu​qī

development cycle

开发周期 (開發周期) kāi​fā​zhōu​qī
development cycle
the total duration of time required to complete the development process of a product, project, or software
开发周期 (開發週期) kāi​fā​zhōu​qī
development cycle
the duration of a development process from start to finish

Sources
Definitions
CC-CEDICT