四川邮电职业技术学院教案专用纸 eg: Whereas the peoples of the colonies have been grieved and burdened with taxes.(鉴于各殖民地民众备受重税负担之苦….) 2) While on the contrary(然而,相反) eg: They want a house, whereas we would rather live in a flat (ft 们想要一座房子,而我们宁愿住在一套房间里。) 20.与本单元课题有关的电信术语或用语: two- way transmitter-receiver双向数据发送接收机 binary non-return to zero signal二进制不归零信号 modulator and demodulator调制器与解调器bufr缓冲器 timing signal 定时信号 nchronizing pulse同步脉冲 time slot时隙 transmission medium传输媒质 linear attenuation线性衰减 linear delay线性时延 submarine cable海底电缆 full-duplex全双工的 delay line时延线 transmission impairment传输损耗 voice circuit音频电路 redundancy冗余度 error detection错误检测 IV Post-reading activities 20 mins Review the important expressions, phrases or sentences which were learnt in the study of text by guiding the students through Exercises 1-2 between Page 41 and Page 42 in class ii. Ask the students to summarize the translation skills touched upon in the study of the text Possible answers:被动语态的译法和词类转换 V. Further Development of the Theme- related Specialized Knowledge I mins 数据通信基本知识: http://www.emoyo.net/tech/showarticle.asp?articleld=200 VI Assignments 1. Preview Unit 4 2. Do Exercises 3-5 between Page 42 and Page 45 Page 7 of 7 Teaching Plan of Telecommunications English Unit 2四川邮电职业技术学院教案专用纸 Page 7 of 7 Teaching Plan of Telecommunications English Unit 2 eg: Whereas the peoples of the colonies have been grieved and burdened with taxes... (鉴于各殖民地民众备受重税负担之苦....) 2) While on the contrary (然而，相反) eg: They want a house, whereas we would rather live in a flat. (他 们想要一座房子, 而我们宁愿住在一套房间里。) 20. 与本单元课题有关的电信术语或用语： two-way transmitter-receiver 双向数据发送接收机 binary non-return to zero signal 二进制不归零信号 modulator and demodulator 调制器与解调器 buffer 缓冲器 timing signal 定时信号 synchronizing pulse 同步脉冲 time slot 时隙 transmission medium 传输媒质 linear attenuation 线性衰减 linear delay 线性时延 submarine cable 海底电缆 full-duplex 全双工的 delay line 时延线 transmission impairment 传输损耗 voice circuit 音频电路 redundancy 冗余度 error detection 错误检测 IV. Post-reading Activities i. Review the important expressions , phrases or sentences which were learnt in the study of text by guiding the students through Exercises 1-2 between Page 41 and Page 42 in class . ii. Ask the students to summarize the translation skills touched upon in the study of the text. Possible answers: 被动语态的译法和词类转换 V. Further Development of the Theme-related Specialized Knowledge 数据通信基本知识： http://www.emoyo.net/tech/ShowArticle.asp?ArticleID=200 VI. Assignments 1. Preview Unit 4 2. Do Exercises3-5 between Page 42 and Page 45 20 mins 1 mins 1 mins