This paper presents the development of acoustic immittance apparatus and application in diagnosis of ear disease.本文详细介绍了声导抗测试技术的发展及在耳科疾病诊断中的应用.This paper presents the contactless control of flasher with triode.提出了用三级管导通和...
I said to the porter .'Marguerite Gautier is dead?'我对看守人说, “ 玛格丽特·戈蒂埃死了 吗 ? ”Marguerite retrieved the bag and, turning round, began chatting to the Duke.玛格丽特拿起那袋蜜饯, 转过身去, 开始和公爵聊天.And in spite of myself , I lame...