Thov xyuas cov chaw teeb tsa ntawm cov yeeb nkab, txoj kev teeb tsa thiab kev sib txuas ntawm cov xov hlau. Xyuas kom tseeb tias cov khoom sib txuas tau siv txaus, cov yeeb nkab 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: Lub Ib Hlis-26-2022