为适应无产阶级文化大革命以来我国金属物探迅速发展的需要,遵照毛主席关于“自力更生”和“洋为中用”的教导,结合我国具体情况,吸取国外同类仪器的先进技术,最近,我组采用集成电路试制成JD-1型时间域激发极化仪,为大打矿山之仗提供了一种新的找矿设备. In order to meet the needs of the rapid development of China’s metal geophysical exploration since the Great Proletarian Cultural Revolution, in accordance with Chairman Mao’s teachings on “self-reliance” and “foreign being”, combining the specific conditions of our country and drawing on the advanced technologies of similar foreign instruments, , I group using integrated circuits trial production of JD-1-type time domain excitation polarizer, for the battle of the mining mine provides a new prospecting equipment.