| 单词 | field-ion microscope |
| 释义 | field-ion microscope /feeld"uy'euhn, -uy'on/ a device in which the atomic structure of the surface of a conductor is made visible by introducing helium gas into the device and applying a high voltage to ionize and accelerate the gas toward a fluorescent screen. Cf. field-emission microscope. [1950-55] |
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