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geophone
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geophone
Encyclopedia
理学
地听器
释
geophone
地听器
古代的一种地面监听器。利用固体(地面)传声的空穴效应,使安置于地面的空腔产生混响,可以听到远处地面的声音。
Physics
geophone
小型地震仪,地震测波器,地听器
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unitary semigroup
unitary semisimilarity
unitary semi-similitude
unitary similarity
unitary similar matrix
unitary sociable number
unitary space
unitary spin
unitary subalgebra
unitary subring
unitary symmetry
unitary symplectic group
unitary transformation
unitary transformation group
unitary trick
unitary unimodular group
unitary vector space
unit ausiliary transformer
unit automatic start-up and shut-down control
unit ball
unit basis
unit bore system
unit boundary
unit box
unit brightness
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