当前类别：原子能
相对论性近似：relativistic approximation
相对论性动能：relativity kinetic energy
相对价值：relative value
相对放射危害：relative radiological hazard
相对电离层不透明度计：relative ionospheric opacity meter
相对单位质量过剩：relative mass excess
相的自动稳定：self stabilization of phase
相钚：alpha plutonium
相变量：phase variable
限制停留区：regulated stay area
限制时间：clipping time
限制工坐：regulated work area
限制法：lambda limiting process
限束器：beam limiter
线状焦点：line focus
线质效应：quality effect
线质系数：quality factor
线性阻止本领：linear stopping power
线性吸收计：linear gamma absorptiometer
线性外推距离：linear extrapolation distance
线性计数率计：linear count rate meter
线性电离：linear ionization
线位移：Linear displacement
线圈架;片盘：bobbin
线离子密度：linear ion density
线宽：linewidth
线聚焦管：line focus tube
显着性水平：significance level
显微射线照相法：microradiography
显微镜台的噪音：stage noise
显微镜法：microscope testing
显微放射自显影术：microautography
涎截面：stripping cross section
氙中毒：xenon poisoning
氙致高温：xenon plus temperature
氙不稳定性：xenon instability
先行离子：leading ion
先驱电子：precursor electron
先进型甚高分辨辐射仪：advanced very high resolution radiometer
先进试验堆临界实验装置：advanced test reactor critical experiment
先进反应性测量设备：advanced reactivity measurement facility
下悬架：lower suspension
下行冷却剂流：downwards coolant flow
下限甄别器：lower level discriminator
下风放射性沉降物：downwind fall out
狭缝源：slit source
细颗粒的：fine grained
细径迹：thin track
细调，精密调节：fine control
细部去污：detailed decontamination