Engineering change operating system 工程变更作业系统
operating system engineering
操作系统工程
以上为机器翻译结果，长、整句建议使用 人工翻译 。
With the devices' very sophisticated engineering, it's not very easy to rip out one operating system and put in another.
CNN: Will Java and Jini be in everything?
应用推荐
模块上移
模块下移
不移动