例句與造句

1. Circuit - switched connection
   電路交換連接
2. Mobile phones with packet - switched communication appear to be " always connected " to the data network , whereas in the case of circuit - switched connections , setup time takes around 30 seconds to connect from a mobile phone to an isp
   具有分組交換通信功能的手機(jī)似乎“始終連接”到數(shù)據(jù)網(wǎng)絡(luò)，但是，對(duì)于電路交換連接，設(shè)置時(shí)間大約需要30秒才能將手機(jī)連接到isp 。
3. It's difficult to find circuit-switched connection in a sentence. 用circuit-switched connection造句挺難的