?短半衰期的
短半衰期的 short-decayed 短半衰期物质 short-half-life material ..
短衰期燃料
短衰变期燃料
There was no reason to lower the rad limits on food, especially after the short-lived nuclides have long decayed away.
FORBES: Like We've Been Saying -- Radiation Is Not A Big Deal
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