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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
potassium drilling fluid
potassium extraction from sea water
potassium ferrate
potassium ferricyanide
potassium ferrocyanide
potassium fertilizer
potassium hexacyanoferrate(III)
potassium hydrogen phosphate
potassium hydroxide
potassium iodate
potassium iodide
potassium ion reabsorption
potassium ion secretion
potassium leak channel
potassium leak channel; potassium channel; K^+-channel
potassium magnesium sulfate fertilizer
potassium metallurgy
potassium minerals
potassium niobate crystal
potassium nitrate
potassium nutrition
potassium nutrition in plant
potassium orthophosphate
potassium perchlorate
potassium permanganate
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