electronic injection signal电子喷射信号

electronic nose signal processing电子鼻信号处理

electronic traffic signal light主动红绿灯

whole electronic computer signal interlocking全电子化计算机联锁

faint electronic signal微弱的电信号

Electronic Sign and Signal电子标志与号志

Electronic Signal Measures电子信号警告

electronic signal clock全电子式信号钟

medical electronic signal processing释义医学信号处理