辐射剂量仪器中，它们通常仍占有重要的地位。
They may be expected to retain an important place in radiation dosimetry and radiation instrumentation generally.
这为匿名核能爱好者自备一堆放射性原材料，还有一个盖格辐射剂量仪，这些东西都是他从美国订购的。
The unnamed enthusiast brought radioactive materials, as well as a Geiger counter which he ordered from the United States.
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