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This paper systematically discussed the definition, nature and calculation of two kinds of generalized inverse matrix related to the compatible linear equations, and their relations with the compatible linear equations.

本论文系统地论述与相容线性方程组相关2种广义逆矩阵的定义、性质和计算，以及与相容线性方程组的关系。

The measures which can be used to increase the reliability of FEA of complex components in I. C. E. are investigated systematically. An efficient method for generating finite element models from CAD solids of complex parts is also studied.

系统性地探讨了进行内燃机复杂零部件有限元分析时，为确保计算的可信度可能采取的措施，并就如何利用复杂零部件的CAD实体模型，快速建立其有限元分析模型的方法进行了研究。

This dissertation systematically presents the theory of Geodesy for researching the problems of Geodynamics in the Qinghai-Xizang Plateau.

本文系统地提出和建立了大地测量参与青藏高原地球动力学问题研究的理论和方法。

In this study, a new classification method of tolerances according to semantics and mathematical representation of basic geometric elements based on DOF is given. The representation of tolerance semantics is systematically deduced based on its mathematical definition that can characterize the semantics exactly an...

给出了基于语义的几何公差分类方法及基于自由度变动的基本几何要素数学表示方法；基于公差的数学定义，系统地推导了各种类型公差的三维语义表示方法，准确完整地表示出了其语义；最后给出实例进行应用分析

In order to design a high accuracy geophone with high sensitivity and low-distortion,the electromagnetic field in a geophone is studied systematically.

为使检波器获得高灵敏度、低失真度，对检波器内的电磁场进行了系统的研究。

Systematically describes the development of T/R burnt_out georgette velvet by low crystal modified polyester fibre in terms of its variety design, weaving, dyeing, printing and finishing, with tests made on the product specifications and key physical properties.

系统地阐述了应用低结晶改性聚酯纤维，开发T/R烂花乔其立绒产品的生产工艺技术。从T/R烂花乔其立绒产品的品种设计及织造、印染后整理的工艺技术研究，到其成品的规格、主要物理性能指标测试，都作了系统的分析。

The features and the formation mechanism of the individual damage induced by the energetic ions with a wide energy range from MeV to GeV were studied systematically.

在广阔的能区内系统地研究了荷能离子轰击固态材料形成孤立损伤的形态及其形成机理。

First,we have discovered stone artefacts in caves, which have similar features to that were broadly scattered in laterite terraces in Bose basin(0.8 Ma B.P),next study on deposits and fauna will be hopefully contributed to document paleoenvironmental background of early human;Second,early human fossils,Gigantopithecus and mammalian fossils unearthed in Mohui cave provide new evidence of early human origin; Third,after our scientific excavation in Fengshudao site in Bose basin, we have found five pieces of bi-face LCT with 10 tektites and nearly 100 stone artefacts form original laterite deposit.This important discovery is very answerable to international question about stratigraphic suspect of LCT; Fourth, abounding mammallian fossils with human fossils and remains from early Pleistocene to Holocene have been uncovered after systematically excavation in marginal cave of Bose basin.These discoveries are significant to the study on human evolution and establishment of sequence of Quarternary biological-stratigraphic in southern China.

首先，我们在百色盆地边缘洞穴堆积物中，发现与百色盆地内网纹红土阶地（0.8 Ma ）类型相似的石制品，通过对堆积物及其包含动物群的研究有望对解决早期人类生存环境背景作出贡献；其次，在么会洞发现了早更新世早期大约1.8 Ma 的人类化石、巨猿化石和丰富的哺乳动物化石，为解决早期人类起源提供了新的证据；再次，在百色盆地枫树岛旧石器时代遗址，通过科学发掘，从原生地层中发现五件与玻璃陨石共生的手斧，以及近百件其它类型的石制品，解决了目前国际学术界普遍关注的百色手斧的层位问题，为进一步确定百色旧石器的时代奠定了基础；另外，通过对百色盆地边缘洞穴的系统发掘，发现了自早更新世早期至全新世以来不同时代的大量哺乳动物化石，同时还发现中更新世晚期--晚更新世早期和全新世的人类化石和石制品，对研究人类演化、建立华南第四纪生物地层序列具有重要的科学意义。

The process of electrolytic etching and graining on the surface of Al-Mg-Si alloy has been studied systematically by means of electrochemical measurement.

本文通过电化学测试，系统研究了Al-Mg-Si合金表面的电解刻蚀图纹化过程，并对电解刻蚀表面的形貌、组成及结构进行了分析，结合电解刻蚀过程的理论分析，探讨了Al-Mg-Si合金电解刻蚀图纹化的机制。

Therefore it is necessary to research the mechanism of greensand used for high compacted molding methods thoroughly.This subject is one section of the National Natural Science Foundation subject ""Ivestigation on Predicting Method and Mechanism of Springback for High Compacted Sand Molds"", followed of the other completed one named ""Research on Microdeformation of Molding Sand"". A serious of experiments has been done on the reequipped three axial machine under certain technological conditions, and the mechanics, material science, rheologic science. It is systematically studied that the influences on the springback of sand mold were caused by the main influence factors: pressure, compacted rate and the content of soil. Through the analyzed experiments' data, the experienced stress-strain relationship concerning the main influence factors were obtained;under different technical parameter, the springback and spingback's potential energy are compared, the differences and indifferences between them are found out, and the springback's mechanism is discussed;according to the tests' data of YangGuoping coming from Tinghua University, experienced formula of molding sand's springback displacement is induced, the displacement and springback are compared, the margin of error's reasons are analyzed, and they are tested and verified mutually.

本课题为国家自然科学基金项目"高紧实度砂型预测方法及回弹机理的探讨"的一部分，是已结题的国家自然科学基金项目"铸造型砂微变形的研究"的后继，运用力学、材料学及流变学理论，利用改装的三轴仪，在一定的工艺条件下，作了大量系列实验，系统的研究了压实比压、紧实率和膨润土含量对砂型回弹的影响；对实验数据进行了分析和处理，得出了型砂关于压实比压、紧实率和膨润土含量的本构关系的经验公式；把各工艺参数下的型砂产生的回弹量与回弹势能进行比较，找出两者存在的异同点，并对回弹机理进行了探讨；通过清华大学杨国平的实验数据，推导出型砂回弹位移场的经验公式，并与实验测出的回弹量进行比较，分析误差造成的原因，并互相进行了验证。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。