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本文根据1987颁布的航空胶片感光测定的国家标准,阐述了航空胶片■~S_(0.3)尺的设计原理、制做方法和使用方法。
According to the 1987 national standards for the determination of aviation film sensitivities, the paper describes the design principles, manufacturing methods and using methods of aviation film s ~ (0.3) feet.