The NIF process of nuclear fusion involves ______.
A、high lab temperatures of about 10 million Celsius
B、ultra powerful lasers being used to produce huge gravitational pressure
C、deuterium and helium being fused together to form tritium
D、delivering ultraviolet energy to hit the target
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试题解析
题目问的是:NIF的核聚变步骤包括什么?从文章第16段“When all NIF lasers are fired at full energy, they will deliver 1.8 megajoules of ultraviolet energy to the target.”可知,会传递紫外线能量来击中目标。故选D。