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单词
up quark
释义
up quark
[`ǝp ´kwärk]
PARTICLE PHYSICS
A quark with an electric charge of +
2
/
3
, baryon number of
1
/
3
, and 0 strangeness and charm. Symbolized
u
.
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blast pressure
blast roasting
blastula
blastulation
blast wall
blast wave
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Blattidae
blazar
blaze-of-grating technique
BLC
bleaching
bleaching agent
bleaching assistant
bleaching clay
bleaching powder
bleach liquor
bleach spot
Blears effect
bleb
bleed
bleeder
bleeder cloth
bleeder current
bleeder resistor
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