This protection of users' rights is accomplished with a device called a copyleft: the software license claims copyright protection and prohibits distribution unless the user is granted these rights.
这种用户权利保护可通过称为copyleft的设备实现：软件许可证声明了版权保护和禁止发布，除非用户被授予了这些权利。
This protection of users' rights is accomplished with a device called a copyleft: the software license claims copyright protection and prohibits distribution unless the user is granted these rights.
这种用户权利的保护是通过一种称为copyleft的策略来完成的：软件许可证主张版权保护，除非明确授予用户这样的权利，否则用户不得分发该软件。
Distribution circuit breaker a distribution circuit breaker is a device used for overload and short current protection of loads connected to a main distribution device.
配电线路开关配电线路开关是给连接在主配电设备上的负荷提供过载和短路保护的装置。
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