Stress data of single well is obtained through combined core experiments made in laboratory and passive seismic surveying technique used in the field.
在室内进行了岩心组合实验，在现场应用无源地震测量技术，获得单井应力数据；利用数值模拟技术获得该区块的地应力数据。
The Apollo Passive SeismicExperiment consisted of four seismometers deployed between 1969 and1972, which recorded continuous lunar seismic activity until late 1977.
阿波罗被动地震实验包括1969年到1972年间部署的4台地震仪，其中记载了一直到1977年底月球地震活动情况。
An analysis of a passive seismic method for subsurface imaging is presented in which ambient seismic noise is employed as the source of illumination of subsurface scatterers.
本文提出用于地下成像无源地震方法的分析，在该方法中应用环境地震噪声作为地下散射体的照明源。
Depending on the degree of safety to achieve structural control technique like active isolation, passive isolation or conventional seismic design method can be chosen.
依据所要达到的安全程度，可选择采用主动隔震结构控制技术、被动隔震结构控制技术或传统的抗震设计方法。
In this paper, the control effects of three kinds of measures, including active, passive and semi-active control, for structural seismic control are compared and analyzed.
本文对结构抗震控制的主动控制、被动控制和半主动控制等三类控制措施的控制效果进行了比较与分析。
In this paper, the seismic damage analysis and control design of passive energy dissipation system installed in reinforced concrete structures have been studied.
本文研究钢筋混凝土结构设置被动耗能减振装置的地震损伤分析和控制设计。
The wind-induced and seismic vibration control of high-rise truss tower using passive and intelligent semi-active dampers are systematically studied in this paper.
本文对被动及智能半主动阻尼器用于高耸塔架结构风振和地震反应控制进行了较为系统的研究。
The mechanism of reducing the seismic responses of adjacent structures under earthquake by using passive coupling elements interconnecting adjacent structures is exploited in this paper.
探讨了运用被动的控制装置减轻相邻结构地震动响应的机理，比较了在不同的地震波作用下粘弹性阻尼器和流体阻尼器的减震效果。
Then fuzzy semiactive control strategy is proposed to control horizontal seismic response and passive control method is used to reduce the vertical response.
提出了智能复合隔震系统对建筑结构水平地震反应的模糊半主动控制策略和对建筑结构竖向地震反应的被动控制方法。
Energy dissipated element and the seismic isolated element are two passive vibration control elements in application of the seismic vibration control in building structure.
在结构物的振动控制中，隶属于被动控制的主要控制元件可分为消能元件与隔震元件两种。
The variation of seismic passive pressure coefficients increases with the increase of the magnitude of the earthquake acceleration.
随地震加速度系数的增加，地震被动土压力系数变化越明显。
In recent ten years, VED (viscoelastic damper), a type passive control device, is introduced in controlling seismic responses of structures.
粘弹性阻尼器(VED)用来控制结构的地震反应，只是近十年左右的事。
The node has good ductility performance, can play a role in passive energy dissipation, and can be used in seismic building structures.
该节点具有良好的延性性能，能起到一定的耗能减震作用，可用于抗震建筑结构中。
The node has good ductility performance, can play a role in passive energy dissipation, and can be used in seismic building structures.
该节点具有良好的延性性能，能起到一定的耗能减震作用，可用于抗震建筑结构中。
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