不变化的

Second, most of the content of the assigned chorus piece were chosen to meet to the elementary students' musical abilities. The form was referred to as AB; two parts songs were usually selected; the meter signature was referred to as quarter note gets one beat and beats can be grouped in twos or fours, it remained stablely in the whole tune; the tempo of assigned chorus piece almostly based on "Moderato" and "Allegretto"; the tonality are combined with the major and minor scales and also present as the pentatonic scales, the minor scale were rarely used.

二 、九十二至九十六学年度国小合唱指定曲的内容，大部分与国小音乐能力指标相符：乐曲曲式明确，以二段式居多；编制以同声二部为主；拍号以单拍子的二拍、四拍为主，少有拍号变化；速度以中板、稍快板为主；调性不完全偏向大小调乐曲，仍兼顾调式乐曲，转调变化的不多，小调乐曲较少出现。

The thesis studies the difference between GWSs composition and traditional workflow applications, proposes the implement mechanism and technical architecture of GWSs composition and defines the reference model of GWSs composition platform, which provide holistic framework and top-level guidance for studying dynamic GWSs composition technology, designing GWSs composition platform, and implementing representative composite service applications.2、Theories and methods of composite process modeling and process analysis. This thesis proposes a meta-model of Geo-spatial Web services composition process defining from two aspects, i.e. process and resource. According to the process definition meta-model, we propose a new Geo-spatial Web services composition Process/Resource model based on extended WF-net, which effectively resolves the problems on uncertain activity option and dynamic variation of service in composite process model. A notion with regard to soundness of process model is proposed from three aspects, i.e. the structural correctness of process model, validity of data link and validity of resource. The notion of soundness definitely gives a dividing line on correctness of composite GWS process. This thesis analyzes sufficient and essential terms of soundness, and studies compositional property of WSCP/R-net models which provides an effective method to construct a soundness WSCP/R-net model. According to WSCP/R-net, the thesis proposes composition algebra and studies the properties of it. Based on the composition algebra, 6 kinds of composite process reduction rules are induced to optimize the process.3、Geo-spatial Web service QoS model and its application architecture. This thesis proposes an extendable GWS QoS model from three aspects, i.e. Geo-spatial Web Service itself, networking conditions and service consumer which can be used to distinguish GWSs with overlapping or identical functionality. We work over the QoS evaluation methods of composite GWS process which can be used to guide the execution, monitor and service selection of composition process. Aming at some disadvantages in traditional Web service discovery model for its lacking of QoS supporting, this thesis proposes a new service discovery model SDMQ supporting QoS constraints.4、Technologies of composite service executing. SSPL, a new composite service process language, is defined to overcome the disadvantages of existing composite services process languages which can not adapt to the dynamic variation of Geo-spatial Web Services. An algorithm is described to translate WSCP/R-net model into SSPL. The thesis studies the model of dynamic services selection with QoS global optimization, presenting an algorithm GODSS to resolve dynamic services selection with QoS global optimization in GWSs Composition.5、Design and implement experimental system and representative applications. According to the research findings presented above, we design and implement an experimental system and construct two representative applications to show that our achievements are effective and practical.

针对当前空间信息服务聚合研究中存在的若干不足，本文重点在基于工作流的空间信息服务聚合框架、空间信息服务聚合流程建模和分析技术、空间信息服务QoS模型及应用体系以及空间信息服务聚合流程执行等几个方面进行深入研究，主要工作和创新点包括：1、基于工作流的空间信息服务动态聚合框架：研究了空间信息服务动态聚合和传统工作流应用的不同，在此基础上提出了基于工作流技术的空间信息服务动态聚合实现机制、技术体系和参考模型，为研究空间信息服务聚合的关键技术、开发服务聚合支撑平台以及在此基础上构造特定的空间信息服务聚合应用提供了总体框架和顶层指导。2、空间信息服务聚合流程建模和分析技术：首先基于动态服务聚合流程建模的需求和空间信息服务动态变化的应用实际，从服务聚合的过程维和资源维出发定义了服务聚合流程定义元模型；与之相对应，对基本的WF-net进行扩展，提出服务聚合流程/资源网作为空间信息服务聚合流程的形式化描述模型，有效解决了现有的基于基本Petri网和工作流网的服务聚合建模方法所不能解决的不确定路径选择和服务的动态变化性问题；从流程结构正确性、数据依赖有效性和资源实现有效性三个方面提出了WSCP/R-net健壮性的概念，明确界定了聚合流程正确性的标准，并对WSCP/R-net模型的健壮性分析方法和WSCP/R-net模型的组合特性进行了研究；提出了空间信息服务聚合代数算子并对其性质进行了研究，在此基础上提出了6种聚合流程约简规则，从而可达到优化聚合流程、提高聚合流程执行效率的目的。3、空间信息服务QoS模型和应用体系：从服务本身、网络环境和服务消费者三个层次出发，提出了一个可扩展的空间信息服务QoS模型GSQM，实现了对空间信息服务的度量和评价，并对GSQM不同质量要素信息的客观、公正采集方法进行了研究；研究了空间信息服务聚合流程QoS评价方法，有效支持了空间信息服务聚合流程的执行、监控以及服务选择等操作；针对目前的服务发现模型仅支持服务功能性描述、不能有效满足空间信息服务应用需求的现状，提出了一种新的支持QoS约束的服务发现模型SDMQ，并对模型的实现框架进行了研究。4、空间信息服务聚合流程执行技术：针对现有的服务聚合流程描述语言不能有效满足空间信息服务动态聚合流程描述的特点，基于BPEL4WS提出了一种新的空间信息服务聚合流程描述语言SSPL；研究了满足健壮性要求的WSCP/R-net模型向SSPL的转换算法，在此基础上可以满足用户无显式编码来实现空间信息服务聚合应用的目的；研究了服务动态选择QoS全局优化模型，并在此基础上提出了一种解决服务动态选择QoS全局优化问题的实现算法GODSS.5、基于论文研究成果，设计实现了"空间信息服务聚合实验系统"，并构建了"矿产资源评价"和"城市消防应急响应"两个典型应用案例，对论文所述模型、方法的可行性和有效性进行了验证。

The form was referred to as AB; two parts songs were usually selected; the meter signature was referred to as quarter note gets one beat and beats can be grouped in twos or fours, it remained stablely in the whole tune; the tempo of assigned chorus piece almostly based on "Moderato" and "Allegretto"; the tonality are combined with the major and minor scales and also present as the pentatonic scales, the minor scale were rarely used.

二 、九十二至九十六学年度国小合唱指定曲的内容，大部分与国小音乐能力指标相符：乐曲曲式明确，以二段式居多；编制以同声二部为主；拍号以单拍子的二拍、四拍为主，少有拍号变化；速度以中板、稍快板为主；调性不完全偏向大小调乐曲，仍兼顾调式乐曲，转调变化的不多，小调乐曲较少出现。

The fruits of research in the thesis as follow:(1) The principle of variation of earth pressures on the culverts beneath the high fills are investigated in the thesis.

论文通过模型试验和数值模拟计算，研究了狭窄沟谷地形、宽坦沟谷地形、岸坡设涵和坡脚设涵四种边界条件下的高填方涵洞土压力随填土高度变化的规律，研究结果表明，在各种边界条件下，高填方涵洞涵顶土压力变化规律相似，当填土达到一定高度后，仍有部分土压力传递到涵顶上，使高填方涵洞的土压力不随填土高度成线性增加，土压力呈非线性变化，高填方涵洞的土压力明显低于理论土压力σ=γH计算值。

The paper deemed that enterprise\'s growth mechanism was not a stable situation and would transform reciprocally accompanying the change of the environment.

企业在不同环境下所表现出的不同成长模式不是固定不变的，会随着环境要素的变化而变化。

With the rich sediments supplied by the Pearl River, under the paleogeography sedimentary background of Baiyun Sag continuously subsiding, with sedimentary sequences related to relative transgressive sea level change ,contrary to regressive eustasy, the Pearl River Deepwater Fan System has specific evolution characteristics, which left the sedimentary record controlled by peripherical significant geological events.

珠江深水扇系统以珠江为沉积物源、以持续深沉降的白云凹陷为沉积古地理背景、以与全球海退型海平面相反的相对海侵型海平面变化的沉积层序构成了其发育演化的特殊性，并留下了控制沉积的周边重要事件的记录。23.8 Ma等界面沉积速率和岩石地球化学特征均有突变，反映出物源区的变化，可能折射出与青藏高原隆升、南海扩张有关的重要事件，使得古珠江骤然向西部高原拓展，甚至较今天的珠江流域范围还广阔；承载珠江深水扇系统的白云凹陷持续沉降形成了陆坡内盆地，导致21~10.5 Ma BP多个层序深水扇垂向叠置充填的特殊沉积建造；根据60多口井资料建立的相对海平面变化曲线，具有与全球海平面变化相一致的三级旋回和不一致的二级旋回。

Linearity's sizes in any direction are minified by 1/35. Experiments on the qualities of materials of organic glass identify its modules of elasticity, effect caused by distortion from added load—drawing on deformation curves, the poisson ratio value of μ, adhesion strength test of materials and also the paper gives analysis on the results of the experiment.

有机玻璃材料的性能试验中，根据模型材料受温度变化影响明显的特点，测试了受拉弹性模量随温度变化的关系，波松比、原材料及其粘结强度以及加载变形时间效应，在弹性模量测试过程中，因其受温度变化影响较明显，故在试验时应维持室温稳定不变，并运用线形回归分析法确定等时线的斜率作为弹性模量值。

The results indicate that the interface curve in width varies along the flow direction. The flow rate ratio controls the coextrusion interface location. The interface deviate value increases with the increasing of the flow rate ratio. The difference viscosity of two layers polymer leads to the interface deflecting towards the lower viscosity side.

结果表明：宽度方向共挤出界面的形状和位置沿聚合物流动的方向不断变化；界面偏移量的大小随着流量差异的增加而增大；聚合物入口流量的变化是导致共挤出界面位置变化的决定性因素，流量比的变化对出口处界面形状的影响不大；两种聚合物粘度的不同会导致界面偏向粘度较低的熔体一侧。

In summer, the high-abundance distribution area of Pteropods is located in the place where the Taiwan Warm Current originates from Kuroshio.

结果表明，东海翼足类总丰度和出现频率有明显的季节变化，均为秋季最高，夏季次之，春季最低；总丰度在各个季节基本上呈东海南部高于北部、外海高于近海的分布趋势；春季的尖笔帽螺、夏季的锥笔帽螺、秋季的蝴蝶螺和冬季的马蹄螔螺是导致总丰度季节变化的最主要的种类；冬、春和夏3个季节丰度变化及4季总丰度的变化同表层或10 m层水温有非常显著的线性相关关系，与底层温度及盐度的相关关系不显著。

We performed a simulative test, which confirms that wavelet analysis can separate annual wobble and Chandler wobble. Our results show that this method can be used in astronomical geodynamies effectively. This paper is divided into two parts. The first is about statistic characteristic of polar motion. Polar motion includes secular motion, long period fluctuations, Chandler wobble, annual wobble and high frequency wobble. The secular motion is 3.4mas/year and towards 760W meridian. Long period fluctuations have difference periods in x-axis and y-axis. They are 31.7-year and 24-year in x-axis and 28.5-year and 22.9-year in y-axis. These 2~? decades fluctuations have an amplitude of about 30 mas , and are very nearly linearly polarized, with the observed motion of pole being almost entirely along a line between 360E and 1440W. There is a 55.4-year wobble whose amplitude is 9 mas. The amplitude of the interannual fluctuations is about 4? mas. The amplitude of long period fluctuations decreased after 1970. The annual wobble is a steady wobble. It retrograde wobble is only 1/20 of prograde wobble in amplitude.

本文的工作主要分为两部分：第一部分是通过分析POLE97序列，我们对极移的统计特性有了一个较全面的认识，极移主要包括趋势项、长周期项、Chandler项、周年项和高频项：趋势项的方向是西经76°，速度为每年3.4mas；长周期项中Markowitz 项在X、Y两个方向有不同的周期，它们分别是：X方向的两个周期是31.7年和24 年，Y方向的两个周期为28.5年和22.9年它们叠加在一起是一个线偏振运动，最大振幅约为30mas，偏振方向在西经144°和东经36°之间；极移的长周期波动中还存在一个 55.4年周期的圆周运动，振幅约为9mas；十年尺度变化的振幅在4～6mas之间，在Y 方向十年尺度的成份比较多，它们的周期在X方向和Y方向不是对应的；从七十年代年开始长周期变化的振幅明显降低；周年项是一个振幅稳定的摆动，在X、Y两个方向的振幅略有差别，逆向运动振幅大约为顺向运动振幅的1/20；Chandler摆动的振幅自1900年以来经历了几次较大的变化，其中包括1915年和1955年两次极大值，振幅分别达到0&。25和0&。28，以及1925～1940期间小于0.09的过程，Chandler项在X、Y 两个方向的振幅几乎完全相等，其逆向运动振幅不到顺向运动振幅的1/50。

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。