仍然低于每年一次普通X光照射的辐射量。
But that's still less than the radiation encountered in normal yearly exposure to X-rays.
但大剂量照射造成的辐射损伤是影响其性能的最大因素。
However, the radiation damage by high total dose of exposure affects its performance.
使敏感的化学品或材料受到光或其它辐射能的照射。
Subjecting a sensitive chemical or material to light or other radiant energy.
使敏感的化学品或材料受到光或其它辐射能的照射。
Subjecting a sensitive chemical or material to light or other radiant energy.
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