面

The radiation performance at lower frequencies can be improved using the stacked TEM-horn configuration and decreased using rain gutter and square plane TEM-horn configuration.

当TEM喇叭天线阵列单元沿E面叠状排列，阵元间互耦可以改善阵列的低频辐射；沿H面排列的槽状线阵或平面方阵不利于阵列的低频辐射的改善。

We also get another expression of Steinberg's conjecture about plane graphs, that is, every plane graph without i(4≤i≤5) faces in which any two triangles have distance at least 3 and no 3-face is adjacent to any 6-faces is 3-colorable.

我们还得到平面图的一个类似结论：没有4、5面的平面图中如果任意两个3圈的距离至少为3，而且没有3面和6面相邻，那么这个图也是可以3色的。

We also get another expression of Steinbergs conjecture about plane graphs, that is, every plane graph without i(4≤i≤5) faces in which any two triangles have distance at least 3 and no 3-face is adjacent to any 6-faces is 3-colorable.

我们还得到平面图的一个类似结论：没有4、5面的平面图中如果任意两个3圈的距离至少为3，而且没有3面和6面相邻，那么这个图也是可以3色的。

The calculation formulae for the transmission coefficient of the plane wave incidence to Gaussian rough surface of the layered medium was derived in combination with the power spectrum of Gaussian rough surface.

采用高斯粗糙面来模拟实际的分层介质粗糙面，结合高斯粗糙面的功率谱导出了平面波入射高斯分层介质粗糙面的透射系数计算公式。

An optical element such as a rear projection screen for an image display device comprises at least two substantially rigid sheet members each having a first major surface and a second major surface providing a plane of incidence and a plane of emergence, respectively, through which light is transmitted sequentially. A first sheet member comprises a Fresnel lens, and a second sheet member comprises a lenticular lens array on each of the major surfaces thereof.

一种光学元件，例如用于图象显示装置的背投式屏幕（1），包括至少两个基本为刚性各具第一主表面（21；31）和第二主表面（22，32）的板部件（2；3），分别提供顺序穿过光线（10）的入射面和出射面，第一板部件（2）和第二板部件（3）在其各个主表面（31，32）上分别包含一个菲涅耳透镜（24）和一个双凸透镜阵列33，35。

The inention relates to a radio wave absorber which can achieve low cost, a small transportation volume, an excellent radio wave absorbing characteristic from a low frequency to a high frequency with a short length, a small or no difference in the characteristic of a polarization plane, and can be easily fabricated and worked.

本发明涉及一种电波吸收件、电波吸收体及其制造方法、以及电波暗室，用于实现下述的电波吸收体，其成本低、输送体积小、长度短、从低频到高频能获得良好的电波吸收特性，没有极化面特性差或该极化面特性差较小、重量轻、结构强度高、制造和施工容易。

One or more plane sections (8,9) and part cylinders (10,11) connecting to the plane sections (8,9) are formed at the outside (7) of the capillary using for fixing the fiber, all the part cylinders (10,11) are formed with a single center axis and the same radius, meanwhile a patchhole (3) of the inserting fixed fiber (2) is formed in the deflected position of the center axis and in the vertical direction of the first plane section (8) which is used as the standard.

在光纤固定用玻璃毛细管(1)的外面(7)形成有一个或多个平面部(8、9)和与该平面部(8、9)连接的一个或多个局部圆筒面(10、11)，该所有的局部圆筒面(10、11)都是以单一的中心轴和相同半径形成的，同时在与作为基准的第一平面部(8)垂直的方向上从中心轴偏离的位置上形成有插入固定光纤(2)的插入孔(3)。

Finally, the four-unit cylindrically conformal microstrip antenna array is processed and tested. Testing results indicate that, the input VSWR of the antenna array in the vicinity of 1.575GHz is less than 2, the omni-directional performance good, 3dB bandwidth is about 90 degree on axial plane, right-hand circularly polarization good. Overall performance of the antenna array satisfies the design requirements.

对仿真获得的四单元柱面共形微带天线阵列进行了加工测试，测试结果表明该天线阵列在1.575GHz附近工作频带内输入驻波小于2，柱面法向平面全向性良好，轴向平面3dB波瓣宽度约为90。，右旋圆极化效果良好，天线整体性能达到工程设计要求。

One is the platemaking proofing, this is advertising or customers on the cards and membership cards at the request of the effect of making, the composite is used by the flexo business card printing and membership card making features and business card printing and membership card to make the characteristics of the oilysludge and innovativeink, as the computer processing to the pattern, is made available to advertising department, or directly available to customers that request.

其一是制版后的打样，这是不兵告白创意或客户差制卡和会员卡制作成果的哀告，归纳所搁置的柔性版制卡和会员卡制作机的特不面和制卡和会员卡制作基材与油墨的特不面，不纬电脑办理，打不入纸样来，供应给告白创意部不合，或间接供应给客户，哀告承认。

One is the platemaking proofing, this is advertising or customers on the cards and membership cards at the request of the effect of making, can use flexo business card printing and membership card-making machine and business card printing and membership card to make the characteristics of the oilysludge and innovativeink, as the computer processing to the pattern, is made available to advertising department, or directly available to customers that request.

其一是制版后的打样，这是不兵告白创意或客户差制卡和会员卡制作成果的哀告，归纳所搁置的柔性版制卡和会员卡制作机的特不面和制卡和会员卡制作基材与油墨的特不面，不纬电脑办理，打不入纸样来，供应给告白创意部不合，或间接供应给客户，哀告承认。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。