Teeb cuam tshuam & Diffraction Demo. Teeb
–Red & Xiav cov xim xiav lub teeb ci teeb tsa ua lub hauv paus ua ib qho – 5 Lim: Ob Chav Viav, Hloov Qhov, Ib Leeg, Synthesis, Trellis Tsim, –With board nrog nplai thiab sawv
Sau koj cov lus ntawm no thiab xa rau peb
