Lub txee paub txog cov qauv tsheb npav DC, thaum txhua lub channel tau them / tso tawm ntawm lub roj teeb core test
Nws tuaj yeem tsim lub zog tawm tswv yim voj hauv DC tsheb npav hauv cov khoom siv: qhov zoo tshaj plaws ntawm kev hloov pauv ntawm lub zog ntawm cov channel (channel-rau-channel)≥84%,
uas tuaj yeem txo tus nqi thiab nce kev ua haujlwm ntawm cov neeg siv khoom thiab txuag cov nqi hluav taws xob.