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A series of theoretical and experimental studies on the microstrip patch antennas with dielectric superstrates is carried out systematically. Firstly, a comprehensive survey of the microstrip antenna technology and its theories are presented. Then, two analysis techniques, named as the spectral domain Green's function method and the spectral domain integral equation method are developed. The SDGF method is a simplified analysis technique, which takes advantage of the spectral domain immittance approach to find the dyadic Green's function for the stratified media, and obtains the complete closed-form formulas for radiation patterns, directivity, efficiency, gain etc. Some interesting calculated results are presented. The SDIE method is capable of determining resonant frequency, radiation characteristics, input impedance etc, for the covered microstrip patch antennas. Comparing with other full-wave analyses it reduced computation and mathematical labour remarkably. The singularities near the pole location of the surface-wave modes and the difficulty of the integral computation over infinite range of oscillating integrands are dealt with actively and documented well. Results predicted by the SDIE method agree extremely well with our experimental results for resonant frequencies of various superstrates. The superstrate effects on impedance and radiation characteristics also have been investigated experimentally so that the gap due to lack of measured data and computed results for multi-layered superstrate has been filled to some degrees and two useful observations have been achieved for weakening the resonant frequency shift and optimizing the microstrip antenna gain. As a meaningful application, the design and analysis of a 4×4 patch array are introduced.

实用微带天线普遍加介质覆盖层来防护热，物理损伤和环境影响，也可能在飞行或严酷气候条件下自然形成覆盖层本论文对带介质覆盖层的微带贴片天线系统地作了一系列理论和实验研究首先，对微带天线技术和理论作了全面的综述然后，发展了两种分析方法，称为谱域格林函数法和谱域积分方程法SDGF法是一种简化的分析技术，它利用谱域导抗法来求得分层媒质的并矢格林函数，并得出方向图、方向性系数、增益等参数的完整的闭式公式，给出了一些令人感兴趣的计算结果SDIE法能确定介质覆盖微带天线的谐振频率、辐射特性和输入阻抗等与其它全波分析方法相比，它明显减小了计算量和数学工作量已有效地处理了表面波模极点附近的奇异性和对振荡的被积函数的无限区间积分计算的困难对于不同覆盖层情况下的谐振频率，由SDIE法所预示的结果与我们的实验结果吻合得很好对于覆盖层对阻抗和辐射特性的影响也已作了实验研究这在某种程度上填补了缺少实验数据和计算结果之间的间隙，并得出了缓解谐振频率偏移和优化天线增益的两点有用的结论作为有意义的应用，介绍了一个4×4元矩形贴片天线阵的设计和分析。

In this chapter we examine the interplay between evolution and architecture in the context of shared information systems.

在本章里，我们将研究在共享信息系统的环境中变化与体系结构之间的相互影响。

The article mainly analyzes how innovation affects the social welfare and makes some conclusions as follows: firstly, influences on the price and output of products of innovation by oneself are uncertain, but innovation can enhance social welfare when it reduces the product price or raises the price but diminishes the elasticity of inverse demand curve.

本文重点分析了企业创新对社会福利的影响，得出的主要结论如下：（1）独立创新对产品价格和产量的影响是不确定的，但当创新使产品价格下降或者创新使产品价格上升且使反需求曲线的弹性变小时，独立创新能够增加社会福利；（2）联合创新能够降低每个企业的成本，增加企业的研发开支、产量和利润，因而联合创新有利于社会福利；（3）在考虑了创新的溢出效应后，存在一个外溢比率的帕累托最优区间，但我们必须在创新激励与社会福利之间做出权衡。

We will demonstrate the specification of reference prior distribution on the random covariance matrix. We will consider the approximate uniform shrinkage prior and approximate Jeffreys' prior. Both are formulated based on the approximated likelihood function. Under generalized linear mixed models, we show that the posterior mode under Jeffrey's prior is asymptotically closer to the REML estimate than the mode under uniform shrinkage prior does.

在广义线性混合模式下，我们证明了在样本数很大时，随机效应之变异数成份的后验众数和REML估计值会近似相等，同时也建立了后验众数和REML估计值的近似关系式，并提出了比较二种后验众数与REML估计值之间远近的准则。

Notice that we say,"The world ," as opposed to,"your parents'house." Your parents love you very, very much, Class of 2002, but at this stage in their lives, if they could choose between living with you and living with a Labrador retriever4, they quite frankly would go with the Labrador retriever.

请注意我们说的"世界"，而不是"你们父母的家"。2002届的毕业生们，你们的父母非常非常地爱你们，但是在他们人生的这个阶段，如果他们可以选择，那么在你和纽芬兰拾獚之间，他们会很坦率地选择后者与他们一同生活。

Behold, I shew you a mystery; We shall not all sleep, but we shall all be changed, In a moment, in the twinkling of an eye, at the last trump: for the trumpet shall sound, and the dead shall be raised incorruptible, and we shall be changed....

我如今把一件奥秘的事告诉你们：当主来到时我们不是都要睡觉，乃是都要改变，就在一瞬时，一眨眼之间，在末日的喇叭响起的时候。因为喇叭要吹响。

With heavy hearts we stood on either side of the broken body.then holmes bent over the body and began to move it.all of a sudden he began to laugh and jump up and down.

我们心情沉重地站在这具血肉模糊的尸体的两侧。接着，福尔摩斯在尸体旁边弯着腰，并且开始动弹它。突然之间，他开始又笑又跳起来。

Generalizing the experiences of the implementation of theGeneral Line of the Period of Transition,we shouldn't neglect that the Party's decision-making on improtant problems must be democracized and sciencized,that"leftism"must becautioned against when rightism is being criticized,that the realtionship between the trans-formation of productive relations and productivity must be dialectically dealt with,that pri-vate ownership must be historically dealt with,and its elimination must be based on suffi-cient objective premise.

总结过渡时期总路线实施的经验教训，我们不应忽视的是，党对重大问题的决策必须民主化、科学化，在批右的时候必须注意防"左"；必须辩证地处理生产关系的变革与生产力之间的关系；必须历史地看待私有制，消灭私有制需要在客观条件成熟时才能进行。

There isn"t inevitable relationship between matrilineal and matriarchy. Secondly, the status of women isn"t inevitably determined by their practical function in the economic activities.

第二，妇女在生产活动中的实际作用并不能决定她在社会中的地位，因为她的实际作用与社会给予她的认可二者之间并不完全一致，我们还得考虑不同社会中社会评价系统对女性社会地位的制约。

She holds a lesser place in the history of great singers because her vocal prime preceded the decline of Patti and it was past when Melba's ascendancy began.

但惋惜的是：她在世纪黄金歌唱大师的伟人行列中，并未占据着举足轻重的代表地位；原因也许是因为她的声音青春活力期及声音巅峰期，是处在另一位歌剧大师帕蒂和一位来自澳大利亚的超级黄金女高音歌唱艺术大师梅尔芭之间，她们"王权"般的优势，在当时是远远超过她的，我们的这位同样身为女高音歌唱艺术大师就显得可怜了，塞布里齐小姐似乎柔弱过时，无足轻重。

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。