But few patent holders seem to have tried the strategy.

但是很少有专利持有人似乎已经尝试的策略。

youdao

However, patent holders are not required to either use or license their technology.

然而，专利权持有者没有被要求使用或许可其技术。

youdao

However, patent holders are not required to either use or license their technology.

然而，专利权持有者没有被要求使用或许可其技术。

youdao