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| actinogen | |||
| material radioactives | |||
| radioactive substance Any substance that contains one or more radionuclides of which the activity or the concentration cannot be disregarded as far as radiation protection is concerned (包含一到多种放射性核素的物质。这种放射性核素的活性和浓度是辐射保护时要注意的。) | |||
| activated material; active material; radioactive substance; radiomaterial | |||
| radioactive substances | |||
| radioactive material | |||
| radio-active material; radio-active substance | |||
| radioactive matter | |||
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| radioactive materials Class 7 dangerous materials | |||
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放 射性物质 : 51 phrases in 19 subjects |
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