id	keyword
fumecheng-12619	� ̅
fumecheng-12619	̅ �
fumecheng-12619	� �
fumecheng-12619	𝜕 �
fumecheng-12619	𝜕2 �
fumecheng-12619	� 𝜕𝜃
fumecheng-12619	� 𝜕𝜉
fumecheng-12619	� 𝐴𝐶
fumecheng-12619	frequency
fumecheng-12619	� 𝜕𝜉2
fumecheng-12619	surface
fumecheng-12619	piezoelectric
fumecheng-12619	hashemi
fumecheng-12619	� 𝐷𝐶
fumecheng-12619	parameter �