elastic wave and vibration mode control

first vibration mode

full electrode radial vibration mode

high-order vibration mode

Vibration mode

Vibration mode analysis

vibration mode figure

vibration mode testing

Vibration-mode

ratio of erosion thickness and stratigraphic thickness

∑ mode and △ mode

ENSO mode and ENSO-like mode

period ratio of torsion mode to translation mode

24 h thickness swelling rate

6 dB sound beam full wall thickness overlap area

ABL thickness

ablated thickness

ablative thickness transducer

abnormal coal seam thickness

Abrasion in thickness