light signal短语¹³¹⁶²⁰⁺³ 基本例句 灯光信号 Studied in accordance with the technology of photoelectrical detection and detecting transient light signal, the thesis presents the application system for detecting transient light/span> signal. 结合光电探测技术和空间对地探测瞬变光辐射技术，阐述瞬变光信号探测的应用系统研究。 cnki