Kev siv cawv / dej sib tov feem ntau ua rau
Tus nqi siab
Kev phom sij ntawm hluav taws
High diffusion ntws
Cawv/dej xav tau cov chaw thiab khoom siv txhim khu kev qha
Cov dej cawv / dej sib tov yog qhov nyuaj rau kev ua haujlwm hauv online.
Tom qab kev sim, cov seem yuav nyob twj ywm hauv cov lim / kab, yuav tsum tau muab tshem tawm ua ntej kom tsis muaj menyuam