safe-light

基本解释

The safe-light should be fixed four feet above the table.
安全光应该固定在桌上四英尺处。
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The invention relates to a safe colour-light firecrackers manufacturing technique and technology thereof.
本发明具体涉及一种安全彩光鞭炮烟花生产技术及工艺。
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The results showe the glass has good spectroscopy and thermo-optical characteristics. The laser properties are appropriate for the application of eye-safe laser range light source.
结果表明该玻璃具有较好的光谱和热光性质，其激光输出性能可满足人眼安全激光测距光源应用的要求。

In less-severe cases, warning lamps could light up and vehicles may go into fail-safe driving mode with reduced power.
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a light that can be used in a room in which photographic material is handled, transmitting only those colours to which a particular type of film, plate, or paper is relatively insensitive