| 1. | Prc , modular fixed surge arresters , used for analog communication network
模拟通信网络保护： prc系列 |
| 2. | Multicore and symmetrical pair quad cables for digital communications - part 7 : symmetrical pair cables with transmission characteristics up to 1 200 mhz ; sectional specification for digital and analog communication cables
数字通信用对绞星绞多芯对称电缆.第7部分: 1200mhz以下传输特性的对绞对称电缆.数字和模拟通信电缆的分规范 |
| 3. | Multicore and symmetrical pair quad cables for digital communications - part 7 - 1 : symmetrical pair cables with transmission characteristics up to 1 200 mhz ; blank detail specification for digital and analog communication cables
数字通信用对绞星绞多芯对称电缆.第7 - 1部分: 1200mhz以下传输特性的对绞对称电缆.数字和模拟通信电缆的空白详细规范 |
| 4. | Multicore and symmetrical pair quad cables for digital communications - part 7 : symmetrical pair cables with transmission characteristics up to 1200 mhz ; sectional specification for digital and analog communication cables ; corrigendum 1
数字通信用对绞星绞多芯对称电缆.第7部分: 1200mhz及以下有传输特性的对绞对称电缆.数字和模拟通信电缆的分规范.技术勘误1 |
| 5. | Multicore and symmetrical pair quad cables for digital communications - part 7 - 1 : symmetrical pair cables with transmission characteristics up to 1200 mhz ; blank detail specification for digital and analog communication cables ; corrigendum 1
数字通信用对绞星绞多芯对称电缆.第7 - 1部分: 1200mhz及以下有传输特性的对绞对称电缆.数字和模拟通信电缆的空白详细规范.技术勘误1 |
| 6. | Multicore and symmetrical pair quad cables for digital communications - part 7 - 2 : symmetrical pair cables with transmission characteristics up to 1200 mhz ; quality assessment procedure ; sectional specification for digital and analog communication cables
数字通信用对绞星绞多芯对称电缆.第7 - 2部分: 1200mhz及以下传输特性的对绞对称电缆.质量评定程序.数字和模拟通信电缆的分规范 |
| 7. | Multicore and symmetrical pair quad cables for digital communications - part 7 - 2 : symmetrical pair cables with transmission characteristics up to 1200 mhz ; quality assessment procedure ; sectional specification for digital and analog communication cables ; corrigendum 1
数字通信用对绞星绞多芯对称电缆.第7 - 2部分: 1200mhz及以下有传输特性的对绞对称电缆.质量评定程序.数字和模拟通信电缆的分规范.技术勘误1 |
| 8. | Studies on the application of chaotic signal in communication . ( 1 ) a new approach for chaotic secure analog communication is promoted , it is proved by both the computer simulation and hardware experiment that this new chaotic encryption method for analog secure communication is feasible
羌于沼浊仙号在回们系统中应用的奢干研究）提出一种新的模拟混饨加密摊，并进行了呛晌真和硬件电路实验研究，实验证明这种新的模拟混饨加密方法是可行的。 |
| 9. | During the past twenty years , in the whole world , mobile communication has been developed rapidly and undergone three generations ? the first generation based on analog communication , the second generation based on digital communication , and the upcoming third generation based on multimedia communication
在过去的20多年里,移动通信技术在全球范围内得到了迅猛的发展及应用,已经历了从第一代模拟通信到第二代数字通信再到即将在全世界范围内大规模商用的第三代多媒体通信的三个阶段。 |
| 10. | During the past twenty years , in the whole world , mobile communication has been developed rapidly and undergone three generations ? the first generation based on analog communication , the second generation based on digital communication , and the upcoming third generation based on multimedia communication
在过去的20多年里,移动通信技术在全球范围内得到了迅猛的发展和应用,已经历了从第一代模拟通信到第二代数字通信再到即将在全世界范围大规模商用的第三代多媒体通信的三个阶段。 |
