| 单词 | focus projection and scanning |
| 释义 | focus projection and scanning [¦fō·kǝs prǝ´jek·shǝn ǝn `skan·iŋ] ELECTRONICS Method of magnetic focusing and electrostatic deflection of the electron beam of a hybrid vidicon; a transverse electrostatic field is used for beam deflection; this field is immersed with an axial magnetic field that focuses the electron beam. |
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