查询词典 directional

Based on the plasto-elastic bounding surface model, the dynamic characters of typical clay and silt were studied through several types of laboratory dynamic tests. The parameters of dynamic bounding surface model were given upon the tests. By using a nonlinear procedure for response analysis of horizontally layered sites subjected to multi-directional earthquake loading, the response of acceleration, pore pressure and dynamic stress in Shanghai area under different earthquakes were studied.

在弹塑性边界面模型的基础上，通过试验，研究了上海地区典型粘土和砂性土的动力特性，取得了针对边界面模型的计算参数，并采用多向地震作用下的水平地层弹塑性动力反应分析程序对以深厚软土覆盖地层为特点的上海地区典型的土层断面，以苏南核电站为主的地震输入进行了场地反应分析，在加速度特性、孔压特性和动应力特性等方面取得了相应的结果。

Brewster's Law states that the index of refraction in a strained material becomes directional, and that the change of the index is proportional to stresses.

布鲁斯特的法国表示，折射率，在紧张的物料定向，并改变该指数是成正比讲。

In order to provide theoretical reference to the burl's directional cultivation and utilization research was done on Populus tomentosa,Salix matsudana and Robinia pseudoacacia,and the pH value, buffering capacity of acid and alkaline,curing time of UF of various species of the normal wood and the burl wood were compared.

为了给瘤材的定向培育和合理加工利用提供科学依据，以自然生长的、带有树瘤的毛白杨、旱柳、洋槐为试验材料，对各树种的正常材和瘤材的pH值、酸碱缓冲容量、与脲醛树脂胶固化时间等指标，进行对比研究。

This butterfly Valve is bi-directional and may be installed in either direction.

这种蝶阀是双面的，可以在任何一面安装。

A 3D finite element model for calculating the casing stress in the directional wells was developed based on the theory of coordinate conversion.

摘要基于坐标变换方法建立了适用于任意井眼轨迹的定向井套管应力三维有限元计算模型。

The major contents and achievements of the paper are concluded as follows:(1)This article presents a precise tracking design of onmi-directional M-mode cardiography system--a four-dimensional tracking model for heart deformation and an improved genetic algorithm for analyzing the model.

该方案克服国际上现有的超声心动图运动检测设备只能是固定坐标和固定方向线，得到的只能是"功能性运动"和"非功能性运动"的总运动，容易出现被检测的位置脱开方向线以及非功能性运动导致的运动"噪声"。

Cardioid is directional on one side only, and is typicallyused for drums.

心形是单一的指向一个方向，非常适合用来录鼓。

With its large-diaphragm condenser capsule and cardioid directional characteristic, the BCM 104 is ideal for the faithful reproduction of speech and music.

主要是说，有着巨大冷凝式电容膜片，在广播和录音时有着较强的还原能力。

The frequency response of the cardioid and figure-8 directional characteristics are very flat for frontal sound incidence, even in the upper frequency range.

主要是说，这mic的膜片位于前端并有logo标示，心形和8字指向性的频响曲线在高频处也十分平坦，在近距离拾音时不会使声音尖锐。

Original cracks are obtained by directional fracture with the slotted cartridge. This paper discusses the normal law and mode of crack propagation and analy...

研究了爆炸载荷下的裂纹起裂、发展和止裂的动态扩展行为，分析了其破坏模式、动态应力强度因子及裂纹扩展速度

Through comparing with the results by simulation to study the effects of theprojectile"s final velocity, the angle of rotation and the ballistic trajectory"s migration withdifferent projectile"s rotating speeds, different target"s moving speeds and differentpenetration angles.

通过比较数值模拟的结果来研究不同弹头转速、目标速度、侵彻角对侵彻过程中弹头最终速度、翻转角度和弹道偏移的影响。

I love stationery and all the accoutrement of writing.

我爱文具以及所有的书写的工具装备。