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单词
low frequency
释义
low frequency
(LF)
A radio frequency in the range 30–300 kilohertz; i.e. having a wavelength in the range 1–10 kilometre
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sidereal day
sidereal period
siemens
sievert
sigma particle
sign convention
signal
signal-to-noise ratio
significant figures
silicon chip
simple harmonic motion
simulation
simultaneity
sine wave
single-sideband modulation
sintering
sinusoidal oscillator
sinusoidal wave
siphon
skip distance
sky wave
slepton
slow neutron
slug
smectic
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更新时间:2026/8/26 8:06:03