a major technological breakthrough 主要技术性突破
major technological breakthrough
重大技术突破
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It is a major technological breakthrough.
这是一次重要的技术突破。
youdao
And absent some major technological breakthrough, it's unlikely to do so in the future.
WSJ: The Experts: What's the Best Way Forward on Nuclear Power?
This is why, barring a major technological breakthrough, the economics of solar energy may someday look much like the economics of fossil fuels.
FORBES: The Saudi Arabia Of Solar Energy
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