E

E

恶性循环 vicious cycle

恩格尔曲线 Engel curve

儿科 department of pediatrics

儿科门诊 outpatient department of pediatrics

儿科医师 pediatrician

儿科主任医师 professor of pediatrics

儿童外科 department of pediatric surgery

儿童医院 children's hospital

耳鼻喉科 department of otorhinolaryngology

耳鼻喉科医师 ear-nosethroat doctor

耳科学 otology

二次抽样 double sampling

二次检测法 double test method

二次污染物 secondary pollutants

二次研究 secondary study

二次研究证据 secondary research evidence

二级丙等医院 third-class hospital at grade 2

二级甲等医院 first-class hospital at grade 2

二级乙等医院 second-class hospital at grade 2

二级预防 secondary prevention

二审法院 court of second instance

二线医院 second line hospital

二向 two-way

二项式分布 binomial distribution

二重性 duality