attnn.注意(=attention)
atprep.在;向;达n.基普(老挝货币基本单位)(=att);[化]砹(极不稳定放射性元素)abbr.密封的(=airtight)abbr.气温(=air temperature)
attenuation frequency distortion衰减频率失真
atrioventricular synchronization房室同步
Atherosclerosis ischemic disease动脉粥样硬化缺血性疾病
atheroselerotie brain infarction脑梗死,动脉粥样硬化
attenuation characteristic curve衰减特性曲线
Atumin Dicyclomine Hydrochloride很方便
atrioventricular junctional echo房室交接处回声(波)
At last they reached Shanghai.他们终於到达上海。
attenuation-total-reflection衰减全反射
At home in diplomatic circles.在外交场合轻松自如