What is the exact meaning of "but disordered, materials."?
source:
Aerodynamic stability of airfoils in lift-type vertical axis wind turbine in steady solver - ScienceDirect
I don't undesrtand the meaning of this "but disordered, materials". I know the meaning of each word.They also [13] established how structural disorder affects vibrational energy transport in low-dimensional, but disordered, materials.
source:
Aerodynamic stability of airfoils in lift-type vertical axis wind turbine in steady solver - ScienceDirect