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There are 196 groups of allotropy inDunhuang Bianwenall together while giving a synchronic description on structure, meaning and usage of these words, this paper also analyses the diachronic development and changes of these words. Then it probes deeply thespecial characteristics on these words of allotropy inDunhuang Bianwen. Finally, it explains the reasons of appearance about allotropy from the Chinese history.

敦煌变文中共出现了196组同素异序词，首先对这些词的结构、意义和用法进行了共时考察，揭示了同素异序词在这一时期呈现出的独特面貌；然后又历时地分析了这些词在现代汉语中的存亡情况，挖掘了同素异序词的发展演变轨迹；最后从汉语发展史的角度阐释了同素异序词的产生原因。

The Ed1 sequence develops ascending and falling cycle in this area; the Ed2 sequence mainly develop the falling cycle; and Ed3 sequence develops ascending and falling cycle; the Ed4 sequence mainly develop the ascending cycle.

其中，Ed1层序在全区呈对称分布；Ed2层序主要发育下降半旋回；Ed3层序旋回对称明显，全区均有分布；Ed4层序在研究区内主要发育上升半旋回。

In the doctoral dissertation,which focuses in lattice-ordered preferencestructure theory and lattice-ordered decision-making theory,lattice-orderedpreference relation displaces complete preference relation in order to makecharacterization of preference structure general,and in order to propose a newthinking of weakening completeness axiom,and also in order to put forward atheoretical base for setting up the rational behavior axioms and utility theorywith lattice-ordered preference structure.

本文有关格序偏好关系理论的研究将Von Neumann-Morgenstern理性行为公理中偏好关系的全序描述推广为格序描述，使得对偏好结构的描述更为一般化，并且为弱化公理体系中完全性或连通性假使提供一条新思路，为建立基于格序理论的理性行为公理及其相关的效用理论提供理论依据。

Such a sequence strati-graphic system has been constructed for the first time in the Paleozoic strata in the northern part of the Tarim basin, which mainly depends on the study of outcrop sequence stratigraphy combined with the results of seismic stratigraphy and biostratigraphy.

本文以露头剖面的层序地层研究为主要依据，结合生物地层和地震地层的研究成果，在进行详细层序划分的基础上，在塔里木盆地北部古生代地层中建立起了由不同周期叠加的海平面变化所控制的不同级次的层序所组成的层序地层系统。

Specific applications include de novo sequencing and re-sequencing of genomes, metagenomics, RNA analysis, and targeted sequencing of DNA regions of interest. The hallmarks of 454 Sequencing? are its simple, unbiased sample preparation and long, highly accurate sequence reads, including paired reads.

具体的应用包括基因组的从头测序和重测序、宏基因组学、RNA分析和DNA目标区域的定向测序。454测序系统的特点是样品制备简单且无偏向性，读长超长且准确度高。454测序系统的技术已经催生了各个研究领域的几百项经同行评议的研究文章，例如癌症和传染病研究、药物筛选、海洋生物学、人类学、古生物学等各方面研究。

Pilot zero sequence directional protection may fail to operate because the zero sequence current on one end does not reach the set value of the protective relay,although zero sequence directional elements on both ends operate correctly.

线路发生接地故障时，两侧零序阻抗相差过大将导致两侧零序电流差别过大，虽然两侧的零序方向元件均能正确动作，但是由于一侧零序电流达不到动作定值，从而造成纵联零序方向保护拒动。

And structural, lithifacies paleogeographic and isopach maps compiled with these isochronous surfaces are of scientificality, practicality and advancement.

识别出了不同级序的层序地层界面及单元(层序、体系域、准层序组、准层序)，并以这些等时界面为标志编制构造图、岩相古地理图及等值线图，具科学性、实用性和先进性。

On the basis of the analysis of the transient negative current, a compensated voltage can be generated with multiplying the rms value of the negative sequence transient current of the feeder by a settable compensated reactance, then combined with the magnitude of the zero-sequence voltage to consist of the compounded compensated voltage, which can be utilized to revise the characteristics of the inverse time-delay.

其基本保护采用零序过电压保护，动作时间采用反时限特性；在分析接地故障负序暂态电流分布特点的基础上，利用线路负序电流暂态有效值与一个可整定的补偿电抗相乘，形成补偿电压，并与零序电压幅值合成复合补偿电压，利用该电压对基本的反时限动作特性曲线进行修正，使零序过电压保护具有选择性。

The inverse time delay characteristic is adopted by the basic zero-sequence over-voltage protection. On the basis of the analysis of the transient negative current, a compensated voltage can be generated with multiplying the rms value of the negative sequence transient current of the feeder by a settable compensated reactance, then combined with the magnitude of the zero-sequence voltage to consist of the compounded compensated voltage, which can be utilized to revise the characteristics of the inverse time-delay.

其基本保护采用零序过电压保护，动作时间采用反时限特性；在分析接地故障负序暂态电流分布特点的基础上，利用线路负序电流暂态有效值与一个可整定的补偿电抗相乘，形成补偿电压，并与零序电压幅值合成复合补偿电压，利用该电压对基本的反时限动作特性曲线进行修正，使零序过电压保护具有选择性。

The formings of varied kinds of sedimentary sequences are related to basin geodynamic scenarios,such as rift basin sequence, foreland basin sequence, and strikeslip basin sequence.

沉积层序驱动机制由地球动力学的不同环境所决定，沉积层序可分类为裂谷盆地层序、前陆盆地层序和走滑盆地层序。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。