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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
free semester system
free semigroup
free set
free settling
free settling lamination theory
free settling terminal velocity
free sheaf
free software
Free Soil Party
free space
free-space correction
free space laser communication
free space laser propagation
free space optics
free space optics, FSO
free space propagation model
free span
free sparring
free spectral range
Free State
free statistic
Free Steal
free streaming
free-streaming damping
free streamline theory
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