开发人员通过运用操作系统抽象层，可使用跨多种操作系统平台的标准API，降低与编码维护和学习几种操作系统相关的成本，缩短相关时间。
With OS Abstractor, developers use a standard API interface across several OS platforms, reducing the costs and time associated with code maintenance and learning several operating systems.
检查飞机机械师进行维护，修理和大修或改装飞机和飞机机械系统的工作，以确保遵守标准和程序。
Inspect work of aircraft mechanics performing maintenance, repair and overhaul, or modification of aircraft and aircraft mechanical systems to ensure adherence to standards and procedures.
另外，Linux提供许多能够限制系统的功能，所以可以方便地建立和维护标准化版本。
In addition, Linux offers many capabilities to lock down the system so that a standard can be established and maintained.
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