| 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。
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| 2. | Telegraphy using frequency modulationnarrow band direct printing
频率调制发射窄带印字系统
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| 3. | Safety radio - telegraphy certificate
无线电报设备安全证书
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| 4. | International electrotechnical vocabulary . part 55 : telegraphy and telephony
国际电工词汇.第55章:电报和电话
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| 5. | Voice - frequency carrier telegraphy
音频载波电报术
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| 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
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| 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。
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| 8. | Audio - frequency telegraphy
音声周波电信
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| 9. | Direct - printing telegraphy
直接印字电报
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| 10. | Frequency shift telegraphy
移频电报术
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