A light pointer is often useful with a slide projector.
光指示器经常与幻灯片放映
起使用。
A light pointer is often useful with a slide projector.
光指示器经常与幻灯片放映起使用。
His major inventions include phonograph, kinetoscope, dictaphone, incandescent light bulb and tattoo gun etc.
他的主
发明有留声、活动电影放映、录音、白炽灯和纹身枪
。
Sport and the movie have been inseparate since the projector had been invented by Thomas Alva Edison.
运动与电影从
迪生发明放映
刻起即结下不解之缘。
The Lumiere brothers of France invented a device called the cinematograph towards the end of the 19th century.
法国的卢米埃兄弟于十九世纪末发明了种叫做活动电影放映的装置。
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