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antennae    音标拼音: [ænt'ɛni]
n. 天线,触须,触角

天线,触须,触角

Antenna \An*ten"na\, n.; pl. {Antenn[ae]}. [L. antenna
sail-yard; NL., a feeler, horn of an insect.]
1. (Zool.) A movable, articulated organ of sensation,
attached to the heads of insects and Crustacea. There are
two in the former, and usually four in the latter. They
are used as organs of touch, and in some species of
Crustacea the cavity of the ear is situated near the basal
joint. In insects, they are popularly called horns, and
also feelers. The term in also applied to similar organs
on the heads of other arthropods and of annelids.
[1913 Webster]

2. (Electronics) A metallic device, variously shaped,
designed for the purpose of either transmitting or
receiving radio waves, as for radio or television
broadcasting, or for transmitting communication signals.
Some types are: {whip antenna}, {antenna tower}, {horn
antenna}, {dish antenna}, {directional antenna} and
{rabbit ears}. See {transmitter}, {receiver}.
[PJC]


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  • Antenna (radio) - Wikipedia
    In radio-frequency engineering, an antenna (American English) or aerial (British English) is a structure used to convert alternating electric currents into radio waves for transmission, and to convert radio waves back into electric currents for reception [1][2] It is the interface between radio waves propagating through space and electric curre
  • Antennae – ENT 425 – General Entomology
    The antennae are a pair of sense organs located near the front of an insect’s head capsule Although commonly called “feelers”, the antennae are much more than just tactile receptors
  • Antenna - A-Z Animals
    Antenna, or antennae, are a pair of sense organs or appendages used for sensing They are located in the front of an arthropod’s head and are often referred to as “feelers ” They are long, thin organs made of jointed segments, but they look different based on the species
  • Antennae - definition of antennae by The Free Dictionary
    1 One of a pair of long, slender, segmented structures on the head of insects, centipedes, millipedes, and crustaceans Most antennae are organs of touch, but some are sensitive to odors and other stimuli 2 A metallic device for sending or receiving electromagnetic waves
  • ANTENNA | English meaning - Cambridge Dictionary
    The antennae are almost parallel-sided, and twice as long as their diameter, mounted on small papillae within clear, circular areas of cuticle
  • ANTENNAE Definition Meaning - Merriam-Webster
    plural usually antennae : one of a pair of slender movable organs of sensation on the head of an arthropod (as an insect or a crab) that are made up of segments
  • What is an antenna? - NASA
    SCaN has over 65 antennas that help capture and transmit data to and from satellites in space An antenna is a metallic structure that captures and or transmits radio electromagnetic waves Antennas come in all shapes and sizes from little ones that can
  • ANTENNAE definition and meaning | Collins English Dictionary
    Two black barrels stuck out at the side of each, moving like antennae, back and forth
  • Antenna | Types, Uses Benefits | Britannica
    antenna, component of radio, television, and radar systems that directs incoming and outgoing radio waves





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