A light pointer is often useful with a slide projector.
光指示器经常与幻灯片放映机一起使用。
A light pointer is often useful with a slide projector.
光指示器经常与幻灯片放映机一起使用。
His major inventions include phonograph, kinetoscope, dictaphone, incandescent light bulb and tattoo gun etc.
他的主要发明有留声机、
影放映机、录音机、白炽灯和纹身枪等。
Sport and the movie have been inseparate since the projector had been invented by Thomas Alva Edison.
摘要运与影从
迪生发明放映机那一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
于十九世纪末发明了一种叫做影放映机的装置。
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