- With nonzero on-site potential,the frequency of acoustic branch at the center of Brillioun zone is nonzero,and the frequency increases with the on-site potential increasing.
- Keywords quantum heat capacity;Debye model;acoustical branch;optical branch;
- The company has branch out into car leasing.
- The acoustics is a branch of physical.
- The branch was sticking up out of the water.
- The gardener cut off a branch from the tree.