English
超声导波波包宽度与管材内径-壁厚比的关系
他得安, 刘镇清
The Relationship Between the Wave-Packet Duration of Ultrasonic Guided Waves and the Inner-Radius-Thickness Ratio of Pipes
TA De-an, LIU Zhen-qing
应用科学学报 . 2003, (3): 231 -235 .