There are a large number of historical vestiges and cultural relics in Gansu, but because of various reasons, there are also many problems and difficulties with regard to the archaeological work.
甘肃有着大量珍贵的历史文物和遗迹，由于历史原因和各种条件的制约，文物工作存在的困难和问题较多。
Compare to the city construction, the rural community construction will face more difficulties and various problems will appear during the construction.
农村社区建设相比城市建设而言将要面对更多的困难，在建设过程中也会出现各种各样的问题。
For solving various water wave problems, especially nonlinear ones, people have been attempting to overcome the difficulties caused by the huge computational cost and storage in the computer.
在众多水波问题，尤其是非线性水波问题求解中，巨大计算量和存储量一直是人们试图克服和解决的重点与难点。
When floating population migrate from rural to urban areas, they enter a completely new environment with various kinds of difficulties and problems.
流动人口由乡村集中到城市，进入一个完全陌生的环境，要面临各种各样的问题和困难。
This paper presented the various technologies in RF design and explored the feasibility and difficulties of deep sub micron CMOS RF design. And problems associated are also discussed.
本文介绍了当今RF设计的主流工艺，并分别对基于硅的深亚微米cmos工艺在RF设计中的可行性和困难进行了研究，评述了其中存在的问题。
This paper presented the various technologies in RF design and explored the feasibility and difficulties of deep sub micron CMOS RF design. And problems associated are also discussed.
本文介绍了当今RF设计的主流工艺，并分别对基于硅的深亚微米cmos工艺在RF设计中的可行性和困难进行了研究，评述了其中存在的问题。
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