Our panel of testers assessed two LEDs, two CFLs, and two incandescents-all 60 watts or equivalent-to separate the light from the hype. -d.k.
我们测试了2款LED, 2款节能灯和2款白炽灯——都是60瓦特或者60瓦特当量的——目的是区分出那些炒作的照明产品。
Our collimation Testers are lateral-shearing interferometers that can be used to examine and adjust the collimation of laser light.
我们的剪切板准直度测量仪是用于检查和调整激光光束准直度的横向剪切干涉仪。
Our collimation Testers are lateral-shearing interferometers that can be used to examine and adjust the collimation of laser light.
我们的剪切板准直度测量仪是用于检查和调整激光光束准直度的横向剪切干涉仪。
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