The main base is internally provided with an incandescent bulb set and an upper end thereof is assembled with a bearing frame.
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Even an unfamiliar SLR camera can produce rotten shots. Be sure to set your camera to Bulb mode for maximum exposure.
尽管一台不熟悉的单反可能拍出烂片,你也要确定自己的相机设定在最大曝光模式。
They invented the first electric bulb, wireless telegraph, helicopter, bomber, colored photography and TV-set.
他们发明了第一盏电灯泡,无线电话,直升飞机,轰炸机,彩色摄影以及电视机。
Many leading scientists and constructors originated from Russia. They invented the first electric bulb, wireless telegraph, helicopter, bomber, colored photography and TV-set.
许多顶级的科学家和工程师来自俄罗斯。他们发明了第一盏电灯泡,无线电话,直升飞机,轰炸机,彩色摄影以及电视机。
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