China has already mastered the technology involved in a space walk, the third country to do so.

我国成为第三个已经掌握了空间出舱活动技术的国家。

youdao

In the time equivalent to the Yin Shang Period, the Ancient Shu People not only mastered the high technology for bronze casting, but also skillfully mastered the technology for gold processing.

在相当于殷商时期，古代蜀人不仅掌握了高超的青铜铸造技术，而且也熟练地掌握了黄金的加工技艺，制作出了精美的金杖、金面罩等。

youdao

XPath is an excellent complementary technology for XForms on both the client and the server; once you've mastered XPath, you can use it in your forms, and in the form processor.

无论在客户机还是服务器上，对XForms来说XPath都是一种很好的辅助技术；一旦掌握了XPath，就可以在表单和表单处理程序中使用它。

youdao

Experts say these songs have been re-mastered using the latest technology.

VOA: special.2009.09.18

The North is not believed to have mastered the technology needed to miniaturize nuclear bombs enough to mount them on long-range missiles.

NPR: SKorea: North Korea Moved Missile To East Coast

The US and North Korea's neighbours fear Pyongyang's ultimate goal is to put a nuclear warhead on a long-range missile that could target the west coast of the US, but it is not believed to have mastered the technology yet.

BBC: North Korea in nuclear warning after UN rocket resolution

The Emotiv EPOC headset - the first Brain Computer Interface (BCI) device for the gaming market is the technology behind the revolution -- and the company claims to have already mastered thought control.

CNN: The future of gaming is all in the mind