英语 ⇄ 中文 英语 西班牙语 +

signal operating instructions
技术	instrucciones de operación de las transmisiones; órdenes para el servicio de transmisiones
英语 词库
Signal Operating Instructions
军队, 缩写	SOI
signal operating instructions
美国	A series of orders issued for technical control and coordination of the signal communication activities of a command. In Marine Corps usage, these instructions are designated communication operation instructions (JP 6-0)