二级: two stage; two level; second ...通道: thoroughfare; passageway; pa ...协议: agree on通道协议: channel protocol光纤通道协议: fiber channel protocol第2层通道协议: l2tlayertunneling protocol第二曾通道协议: l2tp:layer two tunneling protocol点对点通道协议: point to point tunneling protocol (pptp); pptp:point-to-point tunneling protocol; pptpoint to point tunneling protocol多通道协议分析仪: mpa multichannel protocol analyser超级通道: hyperchannel幅度级通道: channel amplitude class频率级通道: channel frequency classes; frequency cla es; pendulum impactor音频级通道: voice-grade channel隧道协议: gprs tunneling protocol gtp; gtgprs tunneling protocol gprs次级通路；次级通道: minor access road光纤通道协定: fcp光纤通道协会: fca二层隧道协议: layer-tunnel protocol命名管道协议: named pipes protocol虚拟隧道协议: vtp第二层隧道协议: l2tf layer two tunneling protocol; l2tlayer tunneling protocol; lan local area network; layer tunneling protocol (l2tp)点到点隧道协议: pptpoint to point tunneling protocol; pptpoint-to-point tunneling protocol; tp点对点渠道协议: point to point tunneling protocol点对点隧道协议: point-to-point tunneling protocol (pptp); pptpoint to point tunneling protocol控制信道协议实体: ccpe control channel protocol entity
