Technological progress will be essential but, barring a breakthrough in nuclear fusion, it will not set us on a path to an energy system purged of fossil fuels.

技术进步将必不可少，但除非在核聚变技术上获得突破，否则我们无法借此建立一个没有化石燃料的能源体系。

youdao

A breakthrough in the Doha Round would also infuse confidence in an economic system stressed by financial anxiety.

多哈回合的突破，也会为饱受金融焦虑困扰的经济体系注入信心。

youdao

The breakthrough here is that we do not need to use an electrical power source anymore to provide a little energy into the system.

这项技术的突破点是在这个系统中，不需要再额外施加任何电能。

youdao

First adopted into state law in 2010, the evaluation system was hailed as a breakthrough for advocates who argue that teachers should be judged by how much their students learn in the classroom.

WSJ: Teacher Evaluation Deal Reached

"Once we survive that, it's just a steady threat of radiation, meteorite impacts, and vehicle system failure like fire or ammonia breakthrough, " he posted.

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Later he also said that developing software for the Apple Macintosh computer led Microsoft into graphics-intensive software, setting the stage for Microsoft applications and its breakthrough Windows 95 operating system.

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