| 单词 | single-tone keying | 
| 释义 | single-tone keying [`siŋ·gǝl ¦tōn `kē·iŋ]  COMMUNICATIONS Form of keying in which the modulating function causes the carrier to be modulated with a single tone for one condition, which may be either marking or spacing, and the carrier is unmodulated for the other condition.  | 
	
| 随便看 | 
科学参考收录了103327条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。