The way of the front route was to open the upper typanum through the entrance of tympanal sinus. 前径路是先打开上鼓室,再经鼓窦入口进入鼓窦,视病变范围大小磨除骨质。
A piece of paper used on a press tympan to vary the pressure that produces light and dark tones. 轮廓纸为调整印刷压力而覆在调压滚筒上的纸，产生明暗相间的色度
The tympanal organs in the male cicada are fundamentally the same in structural plan asin the female, only the form and size of their corresponding parts differ slightly. 雄蝉和雌蝉听器的构造基本上是相同的,只是相应部分在形态上和大小上有些差异。
STUDY ON THE ACTIVITY OF Mg~(2+)ATPase OF GUINEA PIG INNER EAR AFTER TYMPANAL APPLICATION OF IODOPHOR 鼓室碘附应用对豚鼠内耳Mg~(2+)ATPase活性研究
Indwelling tympanal catheterization through the eustachian tube with the aid of nasal endoscopy for treatment of secretory otitis media 鼻内镜下经咽鼓管置管治疗分泌性中耳炎
a piece of paper used on a press tympan to vary the pressure that produces light and dark tones 轮廓纸，为调整印刷压力而覆在调压滚筒上的纸，产生明暗相间的色度
