20 元券9781316509784AcceleratorDeflectorElectron¥3730去看看上海外文图书音像专营店发布了按需印刷Static and Dynamic Electron Optics:An Account of Focusing in Lens, Deflector and Accelerator[9781316509784]15 元券9781316509784AcceleratorDeflectorElectron¥3810去看看澜瑞图书专营店发布了【4周达】Static and Dynamic Electron Optics: An Account of Focusing in Lens, Deflector and Accelerator [9781316509784]