photoelectric造句 121, The key technology of stratospheric airship photoelectric telescope deal with material, control technology, energy sources, high-energy physics, optics, etc. 122, The signal quality of Moire fringe in photoelectric shaft encoder determines the subdivision accuracy of the whole system. 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150,