Contemporary, we exploit several patented items independent, which have independence intelligent property right. Fair echo received soon after we throw the patented products in the action.

同时公司自主研发了十余项拥有自主知识产权的专利项目，并且已经形成产品投放市场，获得良好反响。

youdao

With rear speakers, audio whether a ricocheting bullet or an echo from a mountaintop literally encircles you, making you feel as though you're in the action rather than watching it through a window.

WSJ: Upgrade Your Television's Audio With a Soundbar