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proportional counter
释义
WordReference Random House Unabridged Dictionary of American English © 2024
propor
′
tional count
′
er,
[
Physics.
]
Physics
a radiation counter in which the strength of each electric pulse generated per count is proportional to the energy of the particle or photon producing the pulse, alpha particles producing a different electric pulse from beta rays.
1935–40
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b.s.p.h.n.
b.s.p.t.
b.s.radio-tv.
b.s.ret.
b.s.r.t.
b.s.s.
b.s.s
b.s.s.a.
b.s.s.e.
b.s.s.s.
b.s.s.s
bst
b.s.t. and i.e.
b star
b.s.trans.
b supply
bt.
bt
b.t.ch.
b.t.e.
btec
bth
btl.
btl
btry.
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