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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
Nathan Shaham
Nathan Söderblom
Nathan the Wise
Nathan Yonathan
Nathan Zach
nation
National "10th Five-Year" Program for Environmental Protection
National"11th Five-Year Plan"for Environmental Protection
National "12th Five-year Plan" for Ecological Conservation
National "12th Five-Year" Plan for Environmental Protection
National 1∶50000 Database Updating Project
National "9th Five-Year" Plan for Environmental Protection and Vision 2010 Targets
National Aboriginal and Torres Strait Islander Health Plan
National Aboriginal Congress
National Aboriginal Consultative Committee
National Academic Symposium on High-pitched Opera of China
National Academy of Art
National Academy of Chinese Theatre Arts
National Academy of Design
National Academy of Drama
National Academy of Education Administration
National Academy of Engineering
National Academy of Forestry and Grassland Administration
National Academy of Peiping
National Academy of Sciences
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更新时间:2025/12/22 9:46:40