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This paper presents an experimental method in situ,in which the artificial ground motion is simul taneously excited by the vibrators located at three points on the ground. 本文介绍一种新的现场试验方式:三点激振,研究了在不同类型起振机、不同形状振动基础条件下的人工地震增油技术,观察了增油效果。
State of the Art and Prospect of Artificial Ground Motion 人造地震动合成的研究现状及展望
MODEL FOR ARTIFICIAL GROUND MOTION BY SMOOTH STRENGTH ENVELOPE FUNCTI ON AND ITS APPLICATIONS 光滑强度包络线模型及其工程应用
STUDY ON ARTIFICIAL GROUND MOTION METHOD WITH STATISTICAL LAW OF PHASE DIFFERENCE SPECTRUM 用相位差谱统计规律探讨人造地震动方法
artificial ground motion 人造地震动
The Richter Scale is a measure of ground motion. 里氏震级是测量地动的单位。
Artificial Ground Motions Compatible with Both Specified Peak Displacement and Target Response Spectrum 拟合峰值位移与目标反应谱的人造地震动
In pure seismology, the ground motion is generally expressed by its amplitude. 在纯粹地震学中，地面运动一般以振幅表示。
The reflections are recorded by detecting instruments responsive to ground motion. 反射波由对地面振动极敏感的探测仪器记录下来。
Artificial ground freezing(AGF) will be used extensively with the increase of underground construction. 随着地下工程的不断增加，国内外对人工土冻结应用研究日益重视。
Abstract ： Artificial ground freezing(AGF) will be used extensively with the increase of underground construction. 摘要：随着地下工程的不断增加，国内外对人工土冻结应用研究日益重视。
To make a crushing and grinding motion with the teeth. 咀嚼用牙齿作咬破及嚼碎的动作
Ground motion composite inversion based on a substructural analysis method is studied in this paper. 本文研究一类基于子结构分析的地震动复合反演问题。
This scale,commonly known as the Richter scale measures the ground motion caused by an earthquake. 这个震级，一般称为里氏震级，可测量地震引起的地面运动。
Artificial ground freezing technique that has been used successfully and frequently in Shanghai is an economical and reliable method to dig metro tunnels in soft soil. 摘要人工冻结施工技术是软土中地铁隧道开挖的一种经济可靠的方法，在上海地区得到了多次成功应用。
The proplem is to recalculate these amplitudes into the corresponding amplitude of the ground motion. 问题是要将记录图振幅换算为相应的地面运动振幅。
A Time Domain Model of Ground Motion Bas ed on Equivalent of Linear Structure Res ponse. 基于线性结构响应等效的地震动时域模型。
The problem is to recalculate these amplitudes into the corresponding amplitude of the ground motion. 问题是要将记录图振幅换算为相应的地面运动振幅。
Some seismometers are capable of detecting ground motion as small as 1 billionth of a meter, or about 40 billionth of an inch. 一些地震检波器能探测相当于十亿分之一米或亿分之四英寸的地面运动。
This scale, commonly known as the Richter scale measures the ground motion caused by an earthquake. 这个震级，一般称为里氏震级，可测量地震引起的地面运动。