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单词
down quark
释义
down quark
[`dau̇n ´kwärk]
PARTICLE PHYSICS
A quark with an electric charge of -
1
/
3
, baryon number of
1
/
3
, and 0 strangeness and charm.
随便看
control surface
control switching point
control symbol
control synchro
control system
control-system feedback
control systems equipment
control tape
control total
control tower
control-tower visibility
control track
control transformer
control unit
control unit terminal emulation
control valve
control vane
control variable
control winding
control word
control zone
contusion
Conularida
Conulata
Conulidae
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更新时间:2026/6/18 11:57:32