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| 71. | Methods of measuring the colour of light source |
| GB/T7922-1987照明光源颜色的测量方法 |
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| 72. | light source CWF |
| CWF光源（冷白荧光灯）照相制版光泊 |
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| 73. | diazo printing equipment with a moving light source |
| 动光源重氮复印机 |
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| 74. | spectrum of electromagnetic radiation emitted by a self-luminous source. |
| 发光源的电磁放射谱。 |
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| 75. | The arrow at the left represents the light source. |
| 左方的箭号代表光源。 |
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| 76. | General specification for light source of semiconductor lasers |
| GB/T15167-1994半导体激光光源总规范 |
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| 77. | The intensity of light from any source varies inversely as the square of the distance from the source |
| 从各光源发出的光的强度与该光源的距离的平方成反比。 |
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| 78. | Flux: The stream of photons coming from a light source. |
| 光通量：一个光源的光量子流量。 |
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| 79. | fluorescent source non-dispersive infrared gas analyzer |
| 荧光源非色散红外气体分析仪 |
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| 80. | any device serving as a source of visible light. |
| 任何能作为可见光源的装置。 |
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