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图1-a 我所研制成功高精度弹道相机系列,填补了我国光测设备中的一个重要空白,技术指标达到了国外同类产品的先进水平。因为 DX—1000弹道相机
Figure 1-a I successfully developed a series of high-precision ballistic cameras to fill an important gap in China’s optical test equipment, technical indicators have reached the advanced level of similar foreign products. Because DX-1000 ballistic camera