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单词 high-voltage electron microscope
释义 high-voltage electron microscope
[`hī ¦vōl·tij i¦lek´trän `mī·krǝ´skōp]
ELECTRONICS
An electron microscope whose accelerating voltage is on the order of 106 volts, as compared with 40-100 kilovolts for an ordinary electron microscope; it has the advantages of increased specimen penetration, reduced specimen damage, better theoretical resolution, and more efficient dark-field operation.
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