概况

The article is divided into five parts:Introduction:the overview of Chinese national opera development,Peng Liyuan's art life and her pluralistic singing style.

本文的结构分为以下五个部分：绪论：主要讲述中国民族歌剧发展的概况，彭丽媛的艺术人生和她多元化的演唱风格。

IELTS Co., Ltd. air conditioning YASI CONDITION TRADE CO., LTD Company Profile IELTS Co., Ltd. is a home air-conditioning, central air-conditioning wholesale business, sales, installation, repair and floor heating for one the professionalization of the company, the modern rationale for Daikin, Carrier, United States, Long Tian (China-Australia joint venture), Beretta, Paloma, Spain loka, Ben United States and Thailand, Hangzhou Qing Pu, etc. are well-known brands.

雅思空调贸易有限公司YASICONDITION TRADE CO。，LTD公司概况雅思空调贸易有限公司是以家用、商用中央空调的批发、销售、安装、维修以及地板采暖为一体的专业化公司，现代理大金、开利、美的、朗田、贝雷塔、百乐满，西班牙洛卡，美国奔泰，杭州普青等国内外知名品牌。

An overview of the pharmacological effects of lycorine and its derivatives is given, and advice for further research of lycorine and its derivatives is suggested.

综述了石蒜碱及其衍生物的药理作用研究概况，并就开发石蒜碱及其衍生物提出了建议。

With half century's development ,the monocentric Paris region gradually has changed into a polycentric IIe－de－France region.The space model, planning methods and administrative ways are also in a searching after courses.

大巴黎地区综合地理与经济概况大巴黎地区总面积12072平方公里（占全国国土面积的2.2％），它位于巴黎盆地中心，具有独特的地形、地貌和气候特征；在经济与人口方面是法国22个行政区中最重要的地区。

In this paper, the general situation of the overseas applications of micro fuel cells is introduced in detail. The feasibility of micro fuel cells fabrication using MEMS technology and characteristics of different types of MEMS-based micro fuel cells are briefly discussed. Combining with the critical components including the monopolar plate and membrane electrode assembly, the latest research progress of MEMS-based micro fuel cells are also summarized systematically. Finally, the existing problems and development trend are analyzed, and the urgent demand for developing MEMS-based micro fuel cells in our country is demonstrated.

本文详细介绍了国外微型燃料电池的应用概况，简要论述了将MEMS技术应用于微型燃料电池制作的可行性以及MEMS微型燃料电池的类型特点，并结合关键组件极板和膜电极，系统地总结了近几年来MEMS微型燃料电池的研究进展和成果，最后分析了目前存在的问题和发展趋势以及我国大力发展MEMS微型燃料电池的迫切需求。

In this paper, the general situation of the overseas applications of micro fuel cells is introduced in detail. The feasibility of micro fuel cells fabrication using MEMS technology and characteristics of different types of MEMS-based micro fuel cells are briefly discussed. Combining with the critical components including the monopolar plate and membrane electrode assembly, the latest research progress of MEMS-based micro fuel cells are also summarized systematically. Finally, the existing problems and development trend are analyzed, and the urgent demand for developing MEMS-based micro fuel cells in our country is demonstrated. Contents

本文详细介绍了国外微型燃料电池的应用概况，简要论述了将MEMS技术应用于微型燃料电池制作的可行性以及MEMS微型燃料电池的类型特点，并结合关键组件极板和膜电极，系统地总结了近几年来MEMS微型燃料电池的研究进展和成果，最后分析了目前存在的问题和发展趋势以及我国大力发展MEMS微型燃料电池的迫切需求。

Order method is introduced, and the fast multipole algorithm and the precorrected fast fourier transform method are described in detail, some further developments of these methods are given at last.

介绍了面元法的快速算法及B样条高阶方法的发展概况，对快速多极算法及预修正快速傅里叶变换方法做了详细的介绍，指出了这些方法今后的发展方向。

Then detailedly introduces the principle of pole-changing modulating speed and design feature in times pole proportion and non times pole proportion in the Mixed pole-changing simplex winding multispeed asynchronous motor , carry on discuss to the main parts of electrical machinery electromagnetism computation; by using VISUAL BASIC under WINDOWS platform for computer-aided design method for the mixed pole-changing simplex winding multispeed asynchronous machine, carries on profound analysis for the computer-aided design in the following aspect such as rotor and setting flush piece size, groove shape size, the rotor and setting winding connection, and start performance.

本文在介绍了单绕组多速电动机的概况，阐述了目前多速电机的发展现状与前景；利用槽号相位图以及混相原理对变极绕组进行了研究，确定了绕组的混相方案；并详细地介绍了混相变极单绕组多速电机在倍极比与非倍极比时的变极调速原理以及设计特点；对电机电磁计算的主要几个部分进行了讨论；介绍了使用WINDOWS平台下的VISUAL BASIC对混相变极单绕组多速异步电机的计算机辅助设计方法，对混相变极单绕组多速异步电机的定转子冲片尺寸、槽形尺寸、定转子绕组接法、定转子相带、起动性能的几个方面的计算机辅助计算进行了深刻分析；最后，对混相变极单绕组多速异步电机的样机检测试验结果进行了分析。

The background of this standard and the new contents of this version in comparison with NACE MR 0175 were introduced in this paper, and the key points for practical application were also briefly described.

介绍了该标准的产生背景和推广应用概况，对其和从前的NACE版本的差别进行了分析，并针对实际使用的有关方法要点进行了初步论述。

First, the recent developments in NACE were reviewed, focusing on the effect of the solvent on the strength of different types of analyte-additive interactions.

首先，对近年来NACE的发展概况进行了综述，重点总结了溶剂对各被分离组分和添加剂之间相互作用力的强度的影响。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。