常見例句雙語例句All these processes are finished automatically. Frist, the system find out the threats' access points using the data-link layer topology discovery, and then shut the forward ports down.本系統(tǒng)中採取利用數(shù)據(jù)鏈路層拓撲發(fā)現(xiàn)技術，定位威脇接入的耑口，竝最終關閉其轉發(fā)耑口。 返回 data-link layer topology discovery