四川邮电职业技术学院教案专用纸 Construction 主语: This new prominence 谓语: does not mean 宾语: the idea is new(句子充当宾语,是由that引导的宾语从句) Early studies suggested that digital services offered ificant 6. public switched telephone network 公共交换电话网 Switch: 1)n. device for completing or breaking an electric circuit Please press the on /off switch. a two-way switch, eg at the top and the bottom of a stair 双路开关(楼梯上下均可控制) shift or change A switch from gas to electric由使用煤气改为电气 Can you switch the Tv over? 3)v. to connect or disconnect electricity Switch on / off Switch on/off the gas power at the mains Switchboard n.电话交换台,总机 7. The first characteristic is achieved when a signal is digitally encoded to overcome degradation due to the transmission medium. due to: cause by sth/ sb, because of sb/ sth The team's success was largely due to her efforts transmission:n传播,传输 a break in transmission due to a technical fault Prefix: trans-, across, beyond Transmit v.传输, transit v.运载, transaction n.处理, Transfer v.转移, translate v.翻译 8. Early studies suggested that digital services offered significant advantages since a substantial quantity of interface equipment in the telephone exchange could be eliminated Substantia1: large enough in amount to be noticeable大量的 The document requires substantial changes. Construction 主语: early studies 谓语: FiH: that digital services offered significant advantages 状语:由 SInce引导的 a substantial quantity of interface equipment in the telephone exchange could be eliminated. Translati Page 5 of 9 Teaching Plan of English for Telecommunications Unit 15四川邮电职业技术学院教案专用纸 Page 5 of 9 Teaching Plan of English for Telecommunications Unit 15 Construction: 主语：This new prominence 谓语：does not mean 宾语：the idea is new ( 句子充当宾语，是由 that 引导的宾语从句) Eg. Early studies suggested that digital services offered significant advantages. 6. public switched telephone network 公共交换电话网 Switch: 1) n. device for completing or breaking an electric circuit Please press the on / off switch. A two-way switch ,eg at the top and the bottom of a stair 双路开关（楼梯上下均可控制） 2) n/ v， shift or change A switch from gas to electric 由使用煤气改为电气 Can you switch the TV over? 3) v. to connect or disconnect electricity Switch on / off Switch on / off the gas / power at the mains Switchboard n. 电话交换台，总机 7.The first characteristic is achieved when a signal is digitally encoded to overcome degradation due to the transmission medium. due to: cause by sth/ sb, because of sb/ sth The team’s success was largely due to her efforts. transmission: n.传播，传输 A break in transmission due to a technical fault. Prefix: trans -, across, beyond Transmit v. 传输, transit v. 运载， transaction n. 处理， Transfer v. 转移， translate v. 翻译 8. Early studies suggested that digital services offered significant advantages since a substantial quantity of interface equipment in the telephone exchange could be eliminated. Substantial: large enough in amount to be noticeable 大量的 The document requires substantial changes. Construction: 主语：early studies 谓语：suggested 宾语：that digital services offered significant advantages 状语：由 since 引导的 a substantial quantity of interface equipment in the telephone exchange could be eliminated. Translation: