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In particular, I established a reasonably accurate energy threshold for permanent displacement of a nucleus from its regular lattice position, substantially smaller than had been previously presumed.

特别地，我建立了一个相当精确的能量阈值，用来确定原子核从其规则晶格位置永久位移的能量阈值，该阈值大大小于先前的假设。

— Walter Kohn 沃尔特·科恩

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Just as fossil fuels from conventional sources are finite and are becoming depleted, those from difficult sources will also run out. If we put all our energy and resources into continued fossil fuel extraction, we will have lost an opportunity to have invested in renewable energy.

正如传统来源的化石燃料是有限的，而且正在枯竭一样，来自困难来源的化石燃料也将耗尽。如果我们把所有的能源和资源都投入到持续的化石燃料开采中，我们就失去了投资可再生能源的机会。

David Suzuki 大卫·铃木
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