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据美国的新闻透露,波拉在年会上显示了它的电子照相系统。这一新设计的系统可从录像屏幕上拍得高解象力的黑白照片。新系统的价格约为20000
According to U.S. news, Polla showed its electrophotographic system at the convention. This newly designed system takes high-resolution black and white photographs from the video screen. The new system costs about 20,000