| 单词 | parabolic antenna |
| 释义 | parabolic antenna[ păr′ə-bŏl′ĭk ] An antenna used for sending or receiving radio signals that uses the principle of a parabolic mirror to focus incoming signals onto one reception point or direct the emissions of signals from a focal source point into a directed beam. Parabolic antennae are used extensively in radio communications, especially with satellites, and in radar. Also called dish antenna Words nearby parabolic antennaparablepsia, parables, parabola, parabolic, parabolic aerial, parabolic antenna, parabolic mirror, parabolize, paraboloid, parabrake, parabulia The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
| 随便看 |
英语词典包含192737条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。