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单词
pillbox antenna
释义
pillbox antenna
pillbox antenna
[
′pil‚bäks an′ten·ə
]
(electromagnetism)
Cylindrical parabolic reflector enclosed by two plates perpendicular to the cylinder, spaced to permit the propagation of only one mode in the desired direction of polarization.
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更新时间:2026/4/19 5:30:02