electronic sight meaning in Chinese

电子瞄准具
光电瞄准具
它们利用折射原理

Led displaying screen , as a new high technological product , is attached an important attention by mass . with the economical market rapidly developing , led displaying screen has been widely used in industry 、 transport 、 business ' s advertisement 、 news release 、 physical match 、 war game simulating 、 electronic sight and other fields
Led显示屏作为一项高新科技产品正引起人们的高度重视,随着市场经济的迅速发展, led显示屏已广泛地应用到工业、交通、商业广告、新闻发布、体育比赛、模拟军事演习、电子景观等领域。