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According to the researches, the natural gas in this area is mainly controlled by structures and sedimentation, faults play a very important role in the natural gas's movement, the high spot areas of paleostructures are the advantageous gathering places of natural gas today; the sedimentary facies of the area is mainly the delta front subfacies, and the thickness of sand bed is relatively thin, the fuzzy diagnosis of natural gas indicates that the gas of this oil layer is distributed dispersively.

研究认为，本地区的天然气分布主要受构造和沉积控制，断层对天然气的运移起到至关重要的作用，古构造的高点地区是现今天然气的有利聚集区；本区沉积相主要为三角洲前缘亚相，砂体厚度相对较小，模糊识别天然气预测显示该油层天然气呈分散状分布；但总体看，由于本区天然气埋藏很浅，容易开发，且天然气预测分布面积之总和具一定规模，因此有较好的发展前景。

APSll component, the PsbS protein, is proved to play a key role in NPQ. Our experimental results demonstrate that PsbS is located within PSll supercomplex and abuts LHCll. Also, it cannot quench excitation energy directly, but indirectly by its conformational changes in soybean leaves.

我们的研究表明，PsbS与LHCll相邻，在大豆叶片中PsbS在NPQ中发挥作用的机制与主要依赖叶黄素循环的植物不同，它不是直接猝灭能量，而是通过构象变化在NPQ中发挥作用。

Therefore, law, as a tool to maintain the social order, is bound to play a key role in balancing the disadvantages and advantages of surrogacy.

此时，法律作为维护社会秩序的工具，在如何权衡各方利害关系的问题上就体现出十分关键的作用。

They play a pivotal role in the regulation of synaptic transmission and synaptic plasticity in the central nervous system.

NMDA受体是包含谷氨酸和甘氨酸结合位点的配体门控性离子通道，在中枢神经系统的突触传递和突触可塑性调节中起着重要的作用。

COX-2 and Survivin play a key role in the development of colon cancer,and might synergistically promote the formation of the blood vessel in colon cancer.

COX-2和Survivin在大肠癌的发生和发展中起了重要作用，并可能协同促进了大肠癌血管的形成。

Transcriptional factors play an equivalent role in plant during drought adaptation and cold acclimation. In order to study the expression pattern of CB F4 gene promoter and explore its potential application in plant genetic engineer ing, CBF4 promoter fragment was amplified by PCR method from Arabidopsis thalian a genome DNA.

根据已有文献及公开的拟南芥基因组序列，利用PCR方法从拟南芥基因组DNA中扩增得到了转录因子CBF4上游的DNA片断，对其进行序列分析表明与GenBank序列高度同源，同时对其进行初步的功能分析。

As the economic growth goes by, the institutional investors play a more important role than ever before. The institutional investing strategy to individual security becomes a significant referral to the general investors. Positive feedback trading is the most popular method which the institutions take their investing. It was introduced by Jegadeesh and Titman (1993) to use the underreaction of the investors to the news in the period of 3 to 12 months and get some profits by longing the past winners and shorting the past losers.

中文摘要随著台湾经济的发展和开放，机构法人在股票市场中扮演了举足轻重的地位，对於一般投资人而言，法人们的投资策略具有相当高的参考价值，正向回馈交易是由Jegadeesh and Titman (1993)藉由买进过去赢家并卖出过去输家所做得投资组合来获得报酬，但只考虑过去的累积报酬会否有较佳的收益呢？

Introduction An analysis of the international literature on capital structure, as one of the main elements in determining value, shows that a principal research priority is the attempt to apply capital structure theory to small firms (Berger and Udell 1998; Michaelas et al. 1999; Romano et al. 2001; Gregory et al. 2005).1 Small and medium-sized firms play an essential role in the European economy.

1简介 一个关于资本结构的国际文学作为确定价值的主要因素之一，分析显示，主要研究的重点是试图运用资本结构理论（伯杰和德尔1998年小企业； Michaelas等。1999年；罗马诺等人。2001年；格雷戈里等人。2005年）0.1小和中型公司在欧洲经济发挥了重要作用。

Upon completion of the project, it is destined to play a significant role in promoting convergence of the industry chain in the entire district and generating unassessed economic and social benefits.

项目投入使用后将对整个区域产业链的聚合起到重要推动作用，其带来的经济价值和社会意义将是不可估量。

As a sort of special enterprises which recycle the waste or treat the waste unharmfully, waste treatment enterprises play a very particular role in Cleaner Production.

作为对废物进行无害化处理及资源化利用的特殊企业，废物处理企业在清洁生产中扮演着与其它企业不同的独特角色。

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。