例句與造句

1. One of the longest established spinmechatronic systems is the Magnetic Resonance Force Microscope or MRFM . First proposed by J . A . Sidles in a seminal paper of 1991  the MRFM operates by coupling a magnetically loaded micro-mechanical cantilever to an excited nuclear, proton or electron magnetic resonance spectroscopy to provide a spectroscopic tool of unparalleled sensitivity.
2. It's difficult to find electron magnetic resonance in a sentence. 用electron magnetic resonance造句挺難的