1.The Chicago Tribune recently listed a few of these plums: Boston University, for instance, has a big pool with a wavemachine, so young scholars can jump waves with their boogie boards.
5.The experiment expressed that the square wave unit and EFT drive unit designed work very well,and the high frequency AC square wave welding machine has alraedy used to welding thin steel sheed successfully.
9.The process by which some characteristic of one wave is va ried in accordance with another wave or signal. This technique is used in modems to make business machine signals compatible with communication facilities.
