Unverified50% confidenceFactExact time
电动机在1880年代已发明，但美国制造业从蒸汽动力向电力转型花费了将近40年
1
Sources
50%
Confidence
Long-term
Relevance
7/11/2026
First Seen
Sources
Zuckerberg Admits AI Progress Falls Short of Expectations: The Industry Truth Behind the Layoffs
bilibili小溪_YouTube搬运笔记本7/8/2026
Related Claims
Unverified电力从蒸汽机时代脱颖而出后，用了整整40年才真正走入人类生活的每一个角落79% similarUnverified美国现有输配电网络核心骨架大多建于1950-1970年代，ASCE在2021年给美国能源基础设施评定为C-56% similarUnverifiedThe construction cycle for U.S. power grid infrastructure is as long as 5 to 10 years, and a large portion of the existing grid was built in the mid-20th century.55% similar
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