| 1. | Morse code was an early code in telegraphy
摩尔斯电码是在电报技术中一种早期使用的电码。 |
| 2. | Telegraphy using frequency modulationnarrow band direct printing
频率调制发射窄带印字系统 |
| 3. | Safety radio - telegraphy certificate
无线电报设备安全证书 |
| 4. | International electrotechnical vocabulary . part 55 : telegraphy and telephony
国际电工词汇.第55章:电报和电话 |
| 5. | Voice - frequency carrier telegraphy
音频载波电报术 |
| 6. | An analysis of the nature of telegraphy contract and the principle of liability bearing
电信合同的性质及责任承担原则 |
| 7. | Wireless telegraphy , the phonograph and the radio are based on this law
无线电报，留声机和无线电广播都基于这个法则。 |
| 8. | Audio - frequency telegraphy
音声周波电信 |
| 9. | Direct - printing telegraphy
直接印字电报 |
| 10. | Frequency shift telegraphy
移频电报术 |
