查询词典 directional

Data flows can be uni-, bi-, or multi-directional, allowing remote I/O, local storage , and multiple versions for different media types.

数据流可以是单向的、双向的、多向的，允许远程I/O和本地存储，以及对于不同媒体类型的多个版本。

In this paper the dimension parameters which influence the electrical properties of the biconical antenna is discussed by means of simulation and experimental test. And a biconical omni-directional antenna array operating within 0.8~3GHz is designed. Its design parameters and the results of the simulation including curves of the VSWR, radiation pattern and the gain within the band are also given.

本文通过仿真与实验测试对影响双锥天线电性能的各种尺寸参数的作以探讨，并且设计了一种可工作于0.8～3GHz的宽带双圆锥全向天线阵，给出了该天线的具体结构尺寸以及仿真后的VSWR数据曲线，E面，H面辐射方向图和频段内各频点的增益值，以及此天线在0.8～3GHz范围内的VSWR测试数据曲线，并进一步提出了一些设计此类天线的关键点。

Based on the analysis, the block diagram of a flew directional Doppler bloo...

在上述理论分析的基础上介绍了新试制的方向性多普勒血流计原理框图。

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。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失