X.25使用映射的作用是()
A、映射本地IP到对端端口值，以便路由器发送数据时确认发送端口C
暂无解析
Thepresentcrisisbearssome________(similar)totheoilerisisofthe1970s
Ifyouhavedifficultylocatingaparticularbook，pleaseaskourlibrariansfor___(assist).
Canyoutellusmore___(precise)whathappenedlastnight?
Everyboyandgirl___(treat)inthesameway.
二次大战后资本进一步国际化的突出特点是()
