用G-显带法对不同时期从事医用诊断X射线男性工作者的稳定性染色体畸变进行了分析，估算其累积剂量。

The stable chromosome aberrations of medical diagnostic X-ray workers were analyzed using G-banding and evaluated their accumulative doses.

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早期传代细胞染色体数出现非整倍体和非稳定性畸变，同时有两个标记染色体；

There were aneuploid and instable structure changes in chromosomes, and two marker chromosomes at the same time.

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