... active jamming 有源干扰，积极干扰 active laboratory 放射性实验室 active lattice (反应堆)堆芯栅格；非均匀堆芯；堆芯栅格 ...
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他们受雇于医院，癌症治疗中心，诊所和放射性实验室。医学放射技术专家主管或指导师也属于该项范围之内。
They are employed in hospitals, cancer treatment centres, clinics and radiological laboratories. Medical radiation technologists who are supervisors or instructors are included in this unit group.
OR NL能源与工程方面的助理实验室主管Dana Christensen说，煤电副产品的放射性引起的健康威胁很低。
Dana Christensen, associate lab director for energy and engineering at ORNL, says that health risks from radiation in coal by-products are low.
不同的实验室正在对这些猛犸象骨骼进行放射性碳测定，以更加精确地得知这些化石的年龄。
Various labs are doing radiocarbon-dating of the bones to more precisely date them.
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