v.收進鞘中；套進內(nèi)部

TCP/IP protocol which is used in the network .Some invaginate is essential and ICMP is the important among them ,so we introduce them relatively; TCP/IP協(xié)議，系統(tǒng)主要用到的網(wǎng)絡(luò)協(xié)議，對一些必須的套接字做了介紹，其中ICMP是重要的地方，因此對其介紹的比較詳細；

invaginate planula [醫(yī)] 原腸胚

invaginate tooth 牙中牙