Synset:lens
Hypernyms:electronic equipment
Inherited Hypernyms:lenselectronic equipmentequipmentinstrumentalityartifactwholeobjectphysical entityentity
单词 | electron lens |
释义 | Electron Lens nnoun.artifactelectronic equipment that uses a magnetic or electric field in order to focus a beam of electrons Synset:lens Hypernyms:electronic equipment Inherited Hypernyms:lenselectronic equipmentequipmentinstrumentalityartifactwholeobjectphysical entityentity |
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