查询词典 two dimensional

Two-dimensional electrophoresis, mass spectrometer and bioinformatics are three main techniques of proteomics.

双向电泳技术、质谱技术和生物信息学是蛋白质组学的三大支撑技术。

Geosynthetics are considered a rectangular solid element, and the element stiffness matrix for two-dimensional seepage analysis is presented.

将土工合成材料当作矩形实体单元，给出了二维渗流情况下的单元刚度矩阵。

In Chapter 2, some basic knowledge and rulers on mechanical drawing are reviewed, and the computer of two dimensional view features is introduced.

在第二章中，介绍了一些机械制图的基本知识及制图规则，并介绍了二维图形特征的概念。

This book describes in detail for two-dimensional mechanical design and mechanical drawing software AutoCAD Mechanical 2004 various functions and to use it.

本书详尽介绍了用于二维机械设计和机械制图的软件AutoCAD Mechanical 2004的各项功能和使用方法。

The problem is treated as a two-dimensional medium with the discrete wave- number method in the vertical direction.

我们将问题看成是垂向均匀的二维介质，并沿垂直方向变换到离散波数域。

In order to understand the mechanism of the final stage of spallation deeply, we carried out computer simulations of the damage evolution of two-dimensional microcrack system.

为了深入研究层裂损伤后期的破坏机理，在实验研究和理论分析的基础上，进行了二维微裂纹系统损伤演化的计算机模拟。

Two-dimensional scatter plot of principal axes analysis,systematic cluster tree and the minimal spanning tree on the basis of niche overlaps were drawn,which revealed the ecological similarity of 42 moss species.The combinative application of principal axes analysis,systematic cluster analysis and minimal spanning tree method on the basis of niche overlaps could express the ecological similarities among species intuitively.

以此为指标，分别应用主坐标排序、图论聚类及系统聚类分析方法，作出了反映42种地面藓类的种间生态关系的二维投影图、最小生成树和动态聚类图。3种方法相结合，能够对生态位重叠值矩阵进行直观地表达，并使所表达的藓类种间关系具有确切的生态学含义。

An analytical model of the combustion process is then used to calculate the axisymmetric two-dimensional mixture ratio distribution and mixing, and the propellant evaporation losses.

1分析模型的燃烧过程，然后用来计算轴对称的两维混合比的分布和混合，以及推进剂蒸发损失。

A modularized program of plane wave methodis designed to calculate two-dimensional photonic band structures.

并编制了计算二维光子晶体光子带结构的平面波法的模块化计算机程序；研究了方形、三角形复式晶格的光子带结构，发现了三类存在绝对光子带隙的电介质圆柱在空气中排列的光子晶体晶格结构。

This moire effect is used in combination with photoelasticity to separate the principle stresses in the two-dimensional stress problem. The model was made by epoxy resin, its surface was covered with a printing film, which have 300 lines per inch.

以每时300道条纹的网格薄膜贴在环氧树脂模型上，采用光测法冻结技术把应力冻结下来，然后在偏振场中测取等差线，与标准网板重叠测取水平位移及垂直位移条纹图。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。