投光照明灯具光度测试 Photometry for floodlight
经实际应用表明该灯具照度高、 寿命长、安全可靠，并已申请了发明专利。
The practical application shows that the system is safe and reliable, and has high illumination intensity and long service-life. The system has been applied for the patent of invention.
内外独特的设计使整个灯具的照度均匀性好，光线柔和舒适而不失明亮，可有郊缓解眼睛疲劳。
The unique design both inside and outside the whole good uniformity of illumination lamps, light, soft and comfortable yet bright, with rural alleviate eye fatigue.
作者依据多年设计实践，论述了在建筑照明设计中应注意的几个具体问题：如怎样合理地选择照度、导线、灯具等。
According to design experience for many years, author discusses several problems being paid attention in illumination design, as selecting lightness, lamps, lead and so on.
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