地震预测 Earthquake Forecasting ; seismic prediction
地震预报 [地震] earthquake prediction ; earthquake forecast ; prediction of an earthquake
临震预报 imminent earthquake forecast ; [地震] impending earthquake prediction
地震预警 Earthquake Early Warning ; Earthquake Warning
地震预防 [地震] earthquake prevention
临震预测 imminent earthquake prediction
地震短期预报 short-term earthquake forecast
地震长期预报 long-term earthquake forecast ; [地震] long-term earthquake prediction
地震预告 earthquake prediction ; earthquake forecast
地震中期预报 intermediate-term earthquake forecast
通过对地基土产生预震效应，提高了加固地基整体的强度、刚度和稳定性。
Pre-shock of ground is beneficial to integral strength, stiffness and stability of the ground.
并简要的介绍了预裂爆破预裂面减震效果的测试及震速曲线的谱分析。
The measurement of vibration-reduction effects of pre-splitblasting and spectrum analysis of vibration speed curves are expounded.
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