结论：迁延照射造成的细胞遗传学损伤较一次照射严重，且修复缓慢。
CONCLUTION: There were more severe cytogenetic damage and slower repair in continual exposure to radiation than in a single irradiation.
单细胞凝胶电泳或彗星试验是在暴露人群中评价遗传学损伤的新式方法。
The single cell gel electrophoresis is a new technique to evaluate the genetic damage in exposed populations.
FISH技术能用于解释微核的形成机理、功能及微核的超微结构，并可用于辐射损伤的遗传学评价。
FISH can be used to interpret the formation mechanism, the function and the ultrastructure of the micronucleus, as well as the genetic evaluation of radiation damage.
FISH技术能用于解释微核的形成机理、功能及微核的超微结构，并可用于辐射损伤的遗传学评价。
FISH can be used to interpret the formation mechanism, the function and the ultrastructure of the micronucleus, as well as the genetic evaluation of radiation damage.
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