平面度

An arbitrary shaped line current on a horizontal plane is divided into many small line segments and approximated by Hertzian diploes, then both the near and far EM-field of the line curennt is approximated by the summation of the complete near and far fields of Hertz dipoles.

水平面上任意形状线电流分割为许多小段之电流，每一小段之电流近似为赫芝偶极，则在三度空间任意座标平面上无论远近之电磁场即可以赫芝偶极之远近完整电磁场加总合成近似之。

Based on the instability criterion of semi-classical Maxwell -Bloch equations of single-mode optical systems, the global distribution of instability region is depicted in A-6 parameter space (△ detuning of the atoms,θ mistuning of the cavity).

本文艰据半经典Maxwell一Bloeh方程单模光学双稳系统的稳定性判据，在△一日参数平面上描绘该系统不稳定区的整体分布(这里△和日分别正比于原子与腔相对输入场的失谐度)。

With a hydrogen/oxygen rocket the same mass ratio permits an 85-degree plane change .

与氢/氧火箭同样的质量比允许的85度平面的变化。

The variation of Pteropods abundance shows a clear linear correlation with surface water temperature and 10 m water temperature but no significant correlation with bottom water temperature or salinity.

根据1997～2000年东海海域23°30′～33°00′N，118°30′～128°00′E的4个季节海洋调查资料，运用定量、定性方法，探讨了东海浮游翼足类总丰度的平面分布、季节变化及变化的动力学机制。

A.The press plate guides for moving up and down is built by four steel pillars to ensure the better stabilily and the parallelism of upper and lower working sides.

压板的上下运动的导向采用四根钢性立柱，稳定性更佳，保证了上下平面的平行度。

We discuss the time evolution and the centrality dependence for sideward flow of nucleons and pions at two extreme orientation UU collisions.

探讨了在两种极端方位UU碰撞下，核子和π在反应平面内的横向流的时间演化以及对碰撞中心度的依赖关系。

A brief introduction to the automatic plotting aerogeophysical profile map is given firstly in this paper, and some processing methods are described on some plotting issues.

简要介绍了航空物探平面剖面图的自动绘制方法，给出了绘制中对一些问题的处理方法；重点介绍了彩色渐变填充着色、彩色渐变渲染着色等几种可视化处理方法，并提出了着色中渐变度、透明度概念及应用方法。

CVIResearch is pleased to note that the best performance among the published methods is offered by Statistical Landscape Features which utilizes pseudo 3D information derived from the image landscape generated by taking the intensity of the pixel as its height over the image plane.

在目前已经出版的方法中，我们提出的&统计地形特征&取得了最好的分类效果。&统计地形特征&将图像中每一个象素点的灰度值看成图像平面上的高度。构成了图像地形图。

The molecule was observed to adopt lying-down mode rather than the upright-standing mode at monolayer regime if the molecules were deposited by keeping the substrate at room temperature.

实验和理论研究结果表明：并四苯分子在四度对称的Cu(100)表面上，在室温下，单层条件下的并四苯分子也是平面吸附结构，而不是以前认为的直立吸附模式。

Then after a semi-rigid joint behavior can be modeled as a finite stiffness rotation spring, base on rotation and displacement equation derive the element stiffness matrixes with semi-rigid connections where the effects of jointed flexibility and shear forces in the connection deformations have been considered in and fixed-end forces are modified. Finally, a program for calculating system reliability of semi-ridge steel frames with Monte carlo method and finite element analysis has compiled for calculating and analyzing.

接着本文在介绍和分析半刚性连接弯矩和转角关系模型的基础上，用带有转动刚度的弹簧表征半刚性连接，推导出半刚性连接的刚度矩阵，对固端力进行修正，同时考虑了剪切变形的影响，编制了半刚接钢结构平面框架的有限元程序BHPFL，并在其基础上编制了基于蒙特卡洛法的Monte Carlo-BHPFL 有限元相结合的方法，进行体系可靠度的分析。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。