Since interoperability is a primary functionality for networking tools, not a secondary consideration, that's a very attractive feature.
因为互操作性是网络工具的一个主要功能，它不是次要问题，所以这是非常有吸引力的特性。
2
The secondary focus is utilization of new Linux features and recent tools and libraries.
其次是利用 Linux 的新特性和新版本的工具及库文件。
3
When such damage comes to the surface of steel and rust occurs, the surface shall be cleaned by power tools to the secondary surface preparation grade and coated as originally painting scheme.