All traffic，be ite-mail or streaming video，travels via a method called packet switching，（）parcels out digital data into small chunks，or packets，and sends them over a network shared by countless users.

But the hard ware is designed to use even less power than other schemes，making itespecially appropriate for such things as RFID tags，which must work for years （） any external power source.

But the hard ware is designed to use even（）power than other schemes，making itespecially appropriate for such things as RFID tags，which must work for years without any external power source.

In order to maintain the reach of a typica l100G WAN transport system（~1500km），several system improvements have to be made to recover the lost SNR，including the use of low-loss low-nonlinearity （），Raman amplification，and stronger error correction.

In order to maintain the reach of a typica l100G WAN transport system（~1500km），several system improvements have to be made to recover the lost（），including the use of low-loss low-nonlinearity optical fiber，Raman amplification，and stronger error correction.

常用的微机一般不具备（）特点。

固定电话用户需要过户，到电信营业网办理相关手续时，必须要带（）。

“自适应的”通常翻译为英文是（）。

在通信专业中，DSP的英文全称是（）。

以下（）的工作速度最应尽量与CPU的速度相匹配。