题名	解释
点光源	point source light~point lamp ~point source light~point source~point lamp~point light source~point source of light~pointolite~point-source of light
强点光源	junior
点光源灯	point-source light
红外点光源	infrared spotlight
点光源照明	spot light~spot lighting
参考点光源	ference point source~reference point source
非相干点光源	coherent point source~incoherent point source
聚光灯；点光源；公众注意点；聚光于	spotlight

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