os operating system meaning in English

计算机操作系统
计算机中必不可少的软件

Os operating system the project is limited to omit if the project is not os - specific
该项目局限的操作系统（如果项目不针对特定操作系统可以省略）
As improved development and test techniques and tools were installed , the defect rate in ibm ' s os operating system dropped by a factor of ten in just one release
随着改进的开发和测试技术的应用， ibm的os操作系统的缺陷率在下一个发布降低了1 / 10 。