Telecommunication can make information from around the world availabe to use quickly and easilyTelecommunication can make information from around the world availabe [to use] quickly and easily.[]中的 to use 为什么要加to ,make 后不是加do的

international telecommunication union (ITU-T)什么意思 complementary 是Telecommunication Trade Fair 的ticket Ca|| Another worry is that telecommunication systems may isolate people ____ each other.from to for with the most common use of telecommunication satellites most是最高级吗 the most common use of telecommunication satellites has been for transmitting telephone calls..for transmitting telephone calls..是表语吗 通讯技术或者通信技术用英语怎么讲啊不会是什么telecommunication technology吧?有没有更好的表达方式啊 try to find materials from the internet to introduce the history of the telecommunication development in china and also the company:China Telecom.(at least 200 words) Telecommunication as a Great Facilitator to Our Life要求内容：1.电信业发展的现状.2.发展电信的优点.3.电信发展的负面效果. ca是什么意思 comme ca Ca是什么意思? 机顶盒上有CA功能（有上CA 下CA 双CA）请问上CA 下CA ca怎么变成ca(oh)2 ca怎么变成ca(oh)2 San Diego,CA 92130,USA中的CA STAFF WORK ON CA AND CA 22340ca/w33的CA是什么意思