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- A new method based on the frequency decrease rate for fast identification of site liquefaction from surface acceleration records was presented. 摘要提出了一个以频率下降率为基本指标的依据强震记录快速识别场地液化的新方法。
- And then the lower limit of the frequency decrease rate was derived, and the last identification method of site liquefaction from surface acceleration records was proposed. 基于强震记录快速识别场地液化的方法，并用实际地震记录对其可靠性进行了分析。
- ground surface acceleration vibration level 地表加速度振级
- Keywords Screen surface acceleration;Space curve;Perturb mathod; 筛面加速度;挠曲线方程;摄动方法;
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- He is honest only on the surface. 他只是表面诚实而已。
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- Surface mail takes longer than airmail. 普通邮件比航空邮件慢。
- The surface of the lake is quite still. 湖面相当平静。
- It's2 yuan by surface mail and3.6 yuan by air. 寄平信2元，寄航空要3元6角。
- Wheels won't bite on a slippery surface. 车轮打滑。
- The surface must be thoroughly clean. 表面必须彻底弄清洁。
- Effects of Soil Parameters on Ground Surface Acceleration Peak and Response Spectra 土体参数对地表加速度峰值和反应谱的影响
