kāi fā
develop; open up; exploit; developing; exploitation:
開發和推廣科技成果 develop and disseminate research findings
開發人才資源 develop human resources
開發山區 develop mountain areas
開發實業 open up industries
開發油田 open up oilfields
開發地下寶藏 tap underground resources
開發新產品 develop new products
開發沿海石油 exploit offshore oil deposits
開發中心 development centre
水力開發 water power development
國土開發 land development in the country
智力開發 mental development