四川邮电职业技术学院教案专用纸 nvention of the Optical Amplifier(OA).导致WDM革命的主要进展是光放 大器(OA)的发明。 Pay attention to the noun phrases after preposition"", trying to understand the parallel structure used. In the mean while,.. an increase in the demand placed on the optical network. the underlined part is used as attribute to modify the word demand. Chinese version:由于这一原因,各种应用的增长,如电话(移动或固定) 因特网、视频传输、计算机通信和数据库接入直接导致对光网络持续增长的需 6. It is very likely that the optical network will be used to convey large amounts of video information in the future It用作形式主语,that引导主语从句。复习 likely用法 Chinese version:很有可能将来光网络会用来传送大量的视频信息。 (目前应该已经可以实现) 7. These advances have benefited both terrestrial and submarine systems increased available capacities by several orders of magnitude and, correspondingly reduced costs 此句注意分析句子结构,找出三个并列谓语动词 benefited ased educed。 correspondingly adv.相应的 Chinese version:这些进展给地面通信系统和海底通信系统都带来了好 处,将可用的容量增加了几个数量级,而相应的减少了费用。 8. A lot of effort has therefore been concentrated in maximizing the amount of information that can be transmitted using a single wavelength 1)句子结构分析: 主语: A lot of effort 谓语: has therefore been concentrated maximizing the amount of information that can be transmitted using a single wavelength.”做介词in的宾语。 定语从句“ that can be transmitted using a single wavelength.”用于修饰先 行词 information 2) Chinese version:因此,大量的努力集中在使用单个波长传输信息数 量的最优化方面。 9. WDM, on the other hand, makes it possible to transmit a large number of wavelengths using the same fiber, effectively sending a"rainbow of colors, where there was only one color before 1)短语: on the other hand另一方面 a large number of大量的 Page 5 of Teaching Plan of Telecommunications English四川邮电职业技术学院教案专用纸 Page 5 of 11 Teaching Plan of Telecommunications English Unit 7 invention of the Optical Amplifier (OA). 导致 WDM 革命的主要进展是光放 大器(OA)的发明。 Pay attention to the noun phrases after preposition ”as”, trying to understand the parallel structure used. In the mean while,” …an increase in the demand placed on the optical network．”the underlined part is used as attribute to modify the word demand. Chinese version：由于这一原因，各种应用的增长，如电话(移动或固定) 、 因特网、视频传输、计算机通信和数据库接入直接导致对光网络持续增长的需 要。 6. It is very likely that the optical network will be used to convey large amounts of video information in the future. It 用作形式主语，that 引导主语从句。复习 likely 用法。 Chinese version：很有可能将来光网络会用来传送大量的视频信息。 （目前应该已经可以实现） 7. These advances have benefited both terrestrial and submarine systems, increased available capacities by several orders of magnitude and, correspondingly, reduced costs. 此句注意分析句子结构，找出三个并列谓语动词 benefited，increased， reduced。correspondingly adv. 相应的 Chinese version：这些进展给地面通信系统和海底通信系统都带来了好 处，将可用的容量增加了几个数量级，而相应的减少了费用。 8. A lot of effort has therefore been concentrated in maximizing the amount of information that can be transmitted using a single wavelength. 1）句子结构分析： 主语：A lot of effort 谓语：has therefore been concentrated “maximizing the amount of information that can be transmitted using a single wavelength.”做介词 in 的宾语。 定语从句“that can be transmitted using a single wavelength.”用于修饰先 行词 information。 2）Chinese version：因此，大量的努力集中在使用单个波长传输信息数 量的最优化方面。 9. WDM, on the other hand, makes it possible to transmit a large number of wavelengths using the same fiber, effectively sending a "rainbow" of colors, where there was only one color before. 1）短语： on the other hand 另一方面 a large number of 大量的