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- 线thread
- X-线辐射X-ray radiation
- 在线in-line
- 测定计算机显示器的X线辐射剂量Measurement of Levels of X-ray Radiation Emitted From Computer Video Display Terminals
- 辐射radiation
- 上线be online
- 离线off-line
- 防辐射radiation protection
- 线的linear
- 一线a gleam of
- 辐射的radiant
- 网线reticle
- 布线wiring
- 下线roll off the production line
- 删除线strikethrough
- γ射线线辐射γ-ray line emission
- 周线contour
- 双线crewel
- 线程thread (of a screw)
- 在线翻译translation on line
