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单词 resonating cavity
释义 resonating cavity
[`rez·ǝn´ād·iŋ `kav·ǝd·ē]
ELECTROMAGNETISM
Short piece of waveguide of adjustable length, terminated at either or both ends by a metal piston, an iris diaphragm, or some other wave-reflecting device; it is used as a filter, as a means of coupling between guides of different diameters, and as impedance networks corresponding to those used in radio circuits.
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