微量放射性 meaning in Chinese

trace level activity
trace-level activity

During the operation of nuclear power stations , traces of radioactive gases or fluid will be discharged to the environment . transportation and processing of nuclear wastes will also release traces of radioactive materials . these are also sources of artificial radiation
核电站在运作过程中排放出带有微量放射性的废气和废水，而核废料在运送或处理过程中亦放出微量放射性物质，这些都是人工辐射的来源。
Nuclear power generation is one of the sources of artificial radiation . during the operation of nuclear power stations , traces of radioactive gases or fluid will be discharged to the environment . transportation and processing of nuclear wastes will also release traces of radioactive materials
核电站在运作过程中排放出带有微量放射性的废气和废水，而核废料在运送或处理过程中亦放出微量放射性物质，这些都是人工辐射的来源。