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在唐山、丰南革命人民抗震斗争的大无畏精神鼓舞下,一些有地震预报的地区,以人定胜天的精神,群测群防,土洋结合,发展了一些测地震的新方法。我们全息光栅研制组在临震期利用原有设备作了一些测震偿试,发现激光干涉测震反应较灵敏。因此,在一些有氦-氖激光器的工厂、学校或研究单位均可以临时借用来测地震,为群测群防贡献一分力量。
Inspired by the dauntless spirit of the revolutionary struggles of people in Tangshan and Fengnan and in the quake-stricken areas, some areas where earthquakes are predicted have developed a number of new methods for measuring earthquakes with the spirit of winning over people, combining group prevention with earth and sea. Our holographic grating research group used some of the original equipment in the quake-prone period to make some seismic tests and found that the laser interferometry is more sensitive to seismic measurements. As a result, in some helium-neon laser factories, schools or research institutes can temporarily borrow earthquakes to measure earthquakes and contribute a bit to group defense efforts.