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单词 megahertz
释义

Trends of
megahertz

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megahertz

(megəhɜːʳts)
Word forms: plural megahertz
countable noun [num NOUN]
A megahertz is a unit of frequency, used especially for radio frequencies. One megahertz equals one million cycles per second.
...UHF frequencies of around 900 megahertz.

megahertz in British English

(ˈmɛɡəˌhɜːts)
nounWord forms: plural -hertz
one million hertz; one million cycles per second
Symbol: MHz. Former name: megacycle

megahertz in American English

(ˈmɛgəˌhɜrts)
nounWord forms: plural ˈmegaˌhertz
one million hertz
abbrev. MHz
Word origin
mega- + hertz

megahertz in Electrical Engineering

(mɛgəhɜrts) or MHz
Word forms: (plural) megahertz
noun
(Electrical engineering: Circuits, Communication)
A megahertz is a measurement of frequency equal to a million cycles per second.
The megahertz is a unit of alternating current or electromagnetic wave frequency equal to one millionhertz.
The VHF radio band spans from 30 to 328.6 megahertz.
A megahertz is a measurement of frequency equal to a million cycles per second.

Examples of 'megahertz' in a sentence
megahertz

There were roughly six hundred separate frequencies, all in the UHF band from 825 to 845 and 870 to 890 megahertz.
Clancy, Tom CLEAR AND PRESENT DANGER (1989)
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更新时间：2026/6/5 1:18:58