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单词
EM
释义
EM
Encyclopedia
医学
有效掩蔽
释
effective masking; EM
有效掩蔽
纯音测听中,当测试听力较差耳时,为防止对侧听力较好耳偷听产生“交叉听力”,在对侧耳处给予掩蔽音干预,从而提高对侧耳听阈,避免偷听,以获得患耳真实听阈水平的方法。
Physics
EM=exposure meter
曝光表
Astronomy
EM
全称:emission measure。发射量度
Chemistry
>物理化学>胶体化学>释义
electron microscopy (EM)
电镜技术
随便看
quadrupole-ion trap
quadrupole-ion trap (QTRAP)
quadrupole magnet
quadrupole mass analyzer
quadrupole mass spectrometer
quadrupole mass spectrometer (QMS)
quadrupole mass spectrosope
quadrupole matrix
quadrupole moment
quadrupole potential
quadrupole radiation
quadrupole resonance
quadrupole term
quadrupole time of flight
quadrupole-time of flight
quadrupole-time of flight (Q-TOF)
quadrupole vibration
Quadtree
quadtree
quadtree index
quail egg
Quakers
Qualification
qualification administration in water conservancy construction industry
qualification authentication of information consulting industry
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