所谓重力异常线性构造信号就是重力异常水平总梯度沿重力方向的一阶导数且是大于零值的那一部分。
So-called gravity anomaly linear structure signal is derivative of gravity anomaly level total gradient on gravity direction, and the derivatives must be greater than zero.
数值分析结果表明：在水平地震作用下，地震波频率与边坡的第二阶固有频率一致时，才会发生共振。
Numerical results show that under the influence of horizontal seismic action, resonance will occur when the seismic wave frequency is identical to the second-order natural frequency of slope.
第二绝缘层由于它们附近的像素电极而具有台 阶或水平差。
The second insulating layer has steps or level differences due to the pixel electrodes in their vicinities.
对超高层建筑空间巨型框架提出一个考虑水平力与重力相互影响的二阶效应的分析方法。
A simplified method of the second order effect between gravity and horizontal forces for super tall building space mega-frame is given.
根据某大口径望远镜水平轴系的结构设计方案，利用结构分析软件I - DEAS，建立了结构分析模型，求得了水平轴系前几阶固有频率和振型图。
According to the structural design scheme for horizontal shafting of a large-aperture telescope, the structural analysis model is established by means of the structural analysis software I-DEAS.
根据某大口径望远镜水平轴系的结构设计方案，利用结构分析软件I - DEAS，建立了结构分析模型，求得了水平轴系前几阶固有频率和振型图。
According to the structural design scheme for horizontal shafting of a large-aperture telescope, the structural analysis model is established by means of the structural analysis software I-DEAS.
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