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This thesis systematically studies the comparativeness of Chinese trade in services in four aspects of indices basing upon existing achievements by using quantitative analysis method and qualitative analysis method. Moreover, the indices have been compared with those of the five transitional countries in the same timing period. Three points can be drawn from that study. First, the comparativeness of Chinese trade in services are too weak to compete internationally. Secondly, tourism is the only industry that holds its comparative advantage. Finally, we can learn from what the Poland and Hungary have been doing with their trade in services.

本文采用了定量分析与定性分析相结合等研究方法,在前人研究的基础上,对1995-2000年我国服务贸易的国际市场占有率、比较优势指数、显示性比较优势指数和显示性竞争比较优势指数四个指标进行了计算,较全面、系统地分析了我国服务贸易的国际竞争力,并首次将该四项指标结果同一些转轨经济国家的相同指标进行跨国比较,从中得到三点启示:1、我国服务贸易整体不具备竞争优势;2、旅游业是我国服务贸易中具有较强比较优势的行业;3、波兰和匈牙利两国的成功经验对我国发展服务贸易有一定借鉴作用。

The 10 a plot had the highest community average height, abundance, and above ground biomass, but the community average increased with enclosure time and the 25 a plot had the highest community average coverage. Enclosure for 10 a gave the highest species diversity index in the third plots, while 15 a had the highest' richness index and lowest evenness index. The highest evenness index was in the non-enclosure plot. Exclosure appears to maintain or conserve, rather than increase plant diversity in contrast to non-enclosure.

结果表明,围封10年样地群落的高度、多度以及地上生物量最大,而群落的盖度则随封育年限的增加呈显著增加趋势,在封育25年达到最大;围栏封育的不同年限也显著影响了群落的物种多样性,在围封10年样地群落具有最高的多样性指数,围封15年样地具有最高的丰富度指数,而均匀度指数则是在未封育群落中表现为最高值,最低值是在物种丰富度最高时出现。

In order to study on the QSRR of fatty esters, 100 fatty esters were optimized by semiempirical calculations AM1, then calculated them by quantum chemistry algorithnl and the technique of molecule graphics and AM1 to acquire the Kier index and Kappa shape index.

为了研究脂肪酯的构效关系,应用半经验量子化学AM1法得到了100种脂肪酯分子的优势构象,利用量子化学算法和分子图形学技术获得Kier指数和Kappa形状指数,再在分子拓扑理论的基础上,提出了一个修正的拓扑染色指数mL,用多元回归技术建立了脂肪酯化合物的结构与色谱保留值的相关性模型。

The article adopted a new filtering-cloud composing technology used to monitoring drought,analyzed the property of Ts—NDVI characteristic space and the TVDI's indicating drought ability, put forward the TVDI compute model, grade standard, and the impact estimation method. The result indicated: 1 the decade-composed data obtained by the maximum surface temperature principle has better ability than the composed data obtained by the maximum NDVI on monitoring drought; 2 in the Ts-NDVI characteristic space,the dry side and the wet side almost are horizontal lines when the NDVI is on the small side, the temperature difference is about 45℃; 3 the TVDI has inequable level on monitoring drought as its value, the less TVDI indicates without drought occurrence, the bigger TVDI shows the drought certainly happened, the unsure drought conclusion mainly comes from the middle TVDI; 4 the monitored results of Sichuan hot-drought in 2006, obtained by the remote sensing and by the climate index, are basically consistent, the estimating error on the bearing drought crop area and on the drinking trouble population is within 10%.

采用了干旱监测合成滤云新技术,分析了Ts—NDVI特征空间属性和TVDI指数干旱监测能力,提出了四川伏旱TVDI计算模型、分级标准、和影响评估方法,结果表明:1按最大地表温度原则得到的旬合成数据比按最大植被指数原则得到的旬合成数据具有更强的旱情监测能力;2在Ts—NDVI特征空间中当NDVI较小时干湿边几乎同为水平直线,两者相差约45℃;3TVDI指数因其大小不同而对旱情的监测能力也不一样,较小时说明没有干旱发生,较大时则一定有干旱发生,中间段对干旱的监测具有不确定性;42006年四川伏旱遥感监测与气候监测结果基本一致,农作物受旱面积与饮水困难人口数估算误差在10%以内。

3The study on the diversity of soil microbial community of Pinus bunging Zucc.et Endl 20 diferent microbial community in the soil were analyzed and compared by species richness index,diversity index and evenness index.The result showed that Species Composition,Quantity Variation and Bio-diversities ect.of soil microbial community differed.

3白皮松土壤微生物群落多样性研究运用丰富度指数、均匀度指数和多样性指数对不同生境的土壤微生物进行分析比较,结果表明,分布在20个样地的微生物各自组成了相应的群落,群落内属的种类、数量组成、多样性、均匀性等都是不同的。

By using the normalized difference vegetation index extracted from CBERS-02 data and the leaf area index data obtained from field measurement, this paper analyzed the relationships between the NDVI and the LAI of total samples of meadow, marsh vegetation, shrubs, and islanded forests of the wetland vegetation in Honghe Nature Reserve of Sanjiang Plain. The linear and non-linear regression models between NDVI and LAI of different wetland vegetation types were established, and the spatial distribution of LAI in the Honghe Nature Reserve was mapped.

利用中巴资源卫星CBERS-02影像提取的归一化植被指数和同期野外实测的叶面积指数数据,分析了三江平原洪河自然保护区草甸、沼泽植被、灌丛和岛状林4种湿地植被及样本总体的NDVI与LAI之间的相关关系,建立了NDVI与不同湿地植被类型叶面积指数间的线性和非线性回归模型,并制作完成洪河自然保护区LAI空间分布图。

Different shrubberies have different effect on soil carbon management index.

结果表明,侵蚀环境下的坡耕地由于人为干扰,土壤碳库含量偏低,退耕营造柠条林可以显著增加土壤碳库各组分含量,并随恢复年限呈显著线性关系,25 a时TOC、LOC和NLOC分别较坡耕地增加271%、144%和204%,仅为侧柏林的32%、30%和29%,碳库指数和碳库管理指数较坡耕地明显增加,增幅分别达到144%和108%,仅为侧柏林的28%和43%;不同灌木林对土壤碳库管理的改善作用不同,恢复年限相同的沙棘林土壤碳库组分含量和管理指数明显高于柠条林,坡耕地营造灌木林后土壤经营和管理水平得到了显著改善,土壤系统向着良性方向转变。

By using middle value of boundary line of water quality grade appraised by traditional biological indexes evaluation as datum point to from the functions of membership, the rationaliza.

通过选取传统生物指数评价结果分级界线的中值作为基准点构造隶属函数,提高了生物指数评价方法的精确性和合理性,提出了多项生物指数模糊评价的基本方法,并在浑江水库的水质评价中取得了较好的应用效果。

On the landscape level, the regional landscape heterogeneity is increased and the connectivity reduced, which presents the increase of Shannon's diversity index and Evenness Index, decrease of dominance index and increase of fragmentation index. On the class level, it shows that human disturbance on landscape is intense during the past five years, anti the disturbance to artificial landscape mote intense luau that on semi-natural landscape, which means that the fragmentation index of semi-natural landscape is relatively smaller while that of the artificial landscape is larger.

从景观水平上看,区域景观异质性在增大,景观斑块的连通性降低,表现为多样性指数和均匀度指数呈增加,优势度指数减小;从类型水平上看,5年间人类对景观的干预程度较大,对人工景观的干扰强于半自然景观,体现在半自然景观类型的分离度较小,而人工景观类型的分离度较大。

We present our Monte Carlo results of the random-bond Potts ferromagnet with the Olson-Young self-dual distribution of quenched disorders in two dimensions.By exploring the short-time scaling dynamics,we find the universal power-law critical behavior of the magnetization and Binder cumulant at the critical point,and thus obtain estimates of the dynamic expontent z and magnetic exponent η,as well as the exponent θ.Our special attention is paid to the dynamic process for the q=8 Potts model.

以蒙特卡罗模拟方法对自对耦分布二维随机链q态Potts模型的短时临界行为进行了数值研究,利用初始非平衡演化阶段存在的普适幂指数和有限体积标度行为,数值模拟了在不同形式随机分布时q=3和q=8态Potts模型磁临界指数η和动力学临界指数z,计算结果发现η不依赖于自对偶无序分布的具体形式,从而以数值方法给出了一个关于淬火掺杂自旋系统的临界普适行为的验证。

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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%。

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