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r meter
释义
R meter
R meter
[
′är ‚mēd·ər
]
(nucleonics)
An ionization instrument calibrated to indicate the intensity of γ-rays, x-rays, and other ionizing radiation in roentgens.
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std.
std 1
std 13
std 15
std 2
std 3
std3s
std 9
stda
st. dabeoc's heath
stdafx
stdas
stdat
stdaux
st david
st. david
st david's
st. david's day
stdb
stdbc
std bus
stdby
stdc
stdcc
stdce
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更新时间:2026/9/5 6:47:49