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Micro-beam facility is the most precise termina1 in Beijing Tandem Accelerator National Laboratory (BTANL). The microscope is the key instrument for orientation. But it is not very stable. Firstly, there
Micro-beam facility is the most precise termina1 in Beijing Tandem Accelerator National Laboratory (BTANL). The microscope is the key instrument for orientation. But it is not very stable.