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This article introducts the MIMO-OFDM application background and themarket prospect,analyzes MIMO and OFDM respective good and bad points and the union complementarity, elaborates the MIMO-OFDM core technologies that carries on the computer simulation to realize, and ultimately solves the problems whichthe new generation of communications faces,such as the large capacity, ultra-high speed, the frequency of resistance selective fading efficiently.

本文通过对MIMO-OFDM的应用背景及市场前景的介绍，分析MIMO和OFDM各自的优缺点和结合的互补性，阐述MIMO-OFDM核心技术并对其进行计算机仿真实现，有效解决新一代通信面临的超大容量、超高速率、对抗频率选择性衰落等问题。

Finally it forecasts the development application prospect of ultrasonic wave technology in automobile sensor production realm.

最后展望了超声波技术在汽车传感器生产领域的发展应用前景。

This system is of high precision and efficiency. It meets users' need for ultrasonics dental descaler measuring well with wide market prospect.

此系统精度高，可靠性好，可以满足用户对超声洁牙机检测的要求，具有很好的应用前景。

It is pointed out that the medical consumption is unaccommodated to the GDP average of the people. At the same time the empirical study shows that the conclusions in the work are more practicability and operability.Finally, the concluding remarks are presented. It is pointed out that problems are still explored about the DEA. The developing prospect of the DEA is also depicted according to the research effort.

利用所得结论探讨中国各省市医疗机构的收费与国民平均GDP的适应度，所得结果反映出当前我国医疗保健与经济发展不相适应的现状；同时也说明研究结论具有更强的实用性，更高的操作性；最后，总结全文的工作，提出仍需研究的一些问题，展望数据包络分析的发展前景。

An unappetizing prospect is one of creeping nationalization, in which only the public sector creates employment.

缓慢前行的企业国有化带来的前景并不被看好，这种情况下只有公共部门能够创造工作岗位。

Given the unappetizing prospect either of staying the course or leaving at once, Americans long for a middle way.

速撤或者不撤，前景都不看好，有美国人要做中道之寻：为何不按什叶、逊尼和库尔德把这个国家一分为三？

We make the coming age our own -- The vast, the unbounded prospect lies before us Death.

我们未来的时代我们自己的-绝大多数的无限前景摆在我们面前死亡。

And yet, you persisted, undeterred by your past errors and unimpeded by the prospect of more mistakes.

然而，你坚持这样做，没有被以前犯得过错吓倒，也不担心会犯更多的错误。

She regards it as a prospect of unequalled beauty.

她觉得，这简直是妙不可言的美景。

Astract : This paper makes a superficial analysis and exploration of the development condition, prospect and some questions of the sitting volleyball by use of date. And the author believes that the unexplicit direction, lack of long-term goal, unrational manage system and operate model ,short of propagation are the bottleneck of the sitting volleyball's development .

本文利用文献资料法、对我国坐式排球运动的发展现状与前景，以及存在的问题等进行了初步的分析与探讨，认为发展方向不明确、缺乏长远目标与规划、管理体制与运作模式不合理、宣传力度与投入不足、缺少专门的管理与指导人员等，是制约我国坐式排球运动发展的瓶颈。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。