“turnstile antenna”的概念、定义、翻译、参考文献-科学参考

单词	turnstile antenna
释义	turnstile antenna [`tǝrn´stīl an´ten·ǝ] ^{ELECTROMAGNETISM} An antenna consisting of one or more layers of crossed horizontal dipoles on a mast, usually energized so the currents in the two dipoles of a pair are equal and in quadrature; used with television, frequency modulation, and other very-high-frequency or ultra-high- frequency transmitters to obtain an essentially omnidirectional radiation pattern.
随便看	direct-geared direct grid bias direct hierarchy control direct-image offset system direct-imaging mass analyzer direct immunofluorescence direct-indicating compass direct input/output direct-insert subroutine direct instruction direct interelectrode capacitance direct inward dialing direction directional antenna directional beacon directional beam directional control directional control valve directional counter directional coupler machine code machine conditions machine controlled time machine cut machine cycle

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