计算机系统开发 computer development: 计算机研制development system: 发育系统; 开发系统; 显影系统; 研制系统; 展开系统system development: 系统发展; 系统开发技术; 系统研制cdd computer development department: 计算机开发部cdl computer development laboratory: 计算机开发实验室下载手机词典可随时随地查词查翻译