Tshawb xyuas cov kev teeb tsa ntawm cov kav dej, txoj kev teeb tsa thiab kev sib txuas ntawm cov xov hlau. Xyuas kom tseeb tias cov khoom sib txuas tau siv txaus, cov kav dej puv nrog kua, qhov chaw ntawm lub transducer sib haum nrog cov ntawv nyeem ntawm lub vijtsam thiab cov transducers tau teeb tsa rau hauv qhov kev taw qhia raug.
Lub sijhawm tshaj tawm: Tsib Hlis-07-2022