The most common reactor design, a tokamak, majors on temperature.

最常见的反应堆设计是托卡马克，主要研究温度。

His company is developing a fusion reactor that uses a different mix of fuels to older reactor designs.

他的公司正在开发一种聚变反应堆， 该反应堆使用与旧反应堆设计不同的燃料组合。

We think we need to take a conservative, responsible safety approach and go slow here and make sure that we incorporate the lessons learned from the Fukushima disaster in Japan into any new reactor designs before they go forward.

我们认为我们需要采取保守、负责任的安全方法并在此方面放慢速度，并确保我们在继续推进之前将日本福岛灾难中吸取的教训纳入任何新的反应堆设计中。