Then, how can we know that sunspots are stable nuclear fusion reactors?

那么，我们怎么知道太阳黑子是稳定的核聚变反应堆呢？

youdao

The use of conventional magnets for commercial fusion reactors is ruled out.

商业聚变反应堆上使用常规磁体已不予考虑。

youdao

The problem is, no-one has found a way of making fusion reactors produce more energy than they consume to run.

问题是现在没有人能找到一种方法来使聚变反应产生的能量大于反应本身要消耗的能量。

youdao

The experimental fusion reactors, he suggests, could be used to clean up the waste generated by the fission reactors.

ECONOMIST: Nuclear waste

Tri-Alpha wants to bring nuclear fusion reactors to market, according to sources.

FORBES: Hollywood, Silicon Valley and Russia Join Forces on Nuclear Fusion

Right now, those vibrations require more initial energy than the reactions produce, the same problem that has stymied efforts to produce fusion reactors.

FORBES: NASA: A Nuclear Reactor To Replace Your Water Heater