查询词典 system engineering

Today, the analysis and solution of landslide problems as well as the prevention of landslide problems requires an understanding of geology, hydrology, seismology, geotechnical exploration and engineering, computerized analytical methods, and practical and constructible engineering solutions.

当今，解决滑坡问题的分析方法、解决方案及预防措施，需要了解地质条件、水文条件、地震条件、岩土勘察、工程计算机分析方法，和适用的工程解决方案。相信自己，挑战自我点击这里，马上开通个人空间

Combined with practical engineering,this paper introduces the application of truss corbel in the construction of 0# block in continuous rigid frame bridge,and carries out mechanical calculate of its strength and rigidity, shear and bending-resistance of corbel ,deformation of truss,and bearing capacity of embedded parts,which to offer a reference for similar engineering construction.

结合工程实例，介绍了桁架牛腿在连续刚构桥0号块施工中的运用，并对其强度、刚度、牛腿的抗剪抗弯能力、桁架变形、预埋件承载力等方面进行了力学计算，可供类似工程施工参考。

Railway engineering changes geological environment, at the same time, a counterforce from the geological environment will act on the railway engineering.

铁路工程建设改变了地质环境；同时地质环境释放某种作用力反作用于铁路工程。

This is the software engineering learning courseware, software engineering related to the various issues are described in detail.

这是软件工程的学习课件，其对软件工程中涉及到的各种问题都有详细的介绍。

Strong technical force, the existing staff of 280 people, including engineering and technical personnel accounting for more than 32 percent of the staff. In 2004 the municipal government approved the setting up of the Dongguan City Cowan interference power engineering and technology research and development centers.

公司技术力量雄厚，现有员工280人，其中工程技术人员占员工32％以上。2004年经市政府批准，成立了东莞市科旺抗干扰电源工程技术研究开发中心。

This institute setted up four scientific research organization: institute of biodiversity and ecological engineering, center for research and development of new drugs, institute of environmental and biological technology, center for research and development of dasheen, three departments: biology science, biological technology, biological resource and environment, four disciplines for undergraduate: biochemistry and molecular biology, ecology, cell biology and environment science, four disciplines for graduate: biology science, biological techonology, biological engineering and environment science.

学院现有生物科学、生物技术、生物资源与环境三个教学系和生物多样性与生态工程研究所、新药研究与开发中心、环境与生物技术研究所、魔芋研究开发中心四个科研机构；有生物资源与环境"211工程"建设国家重点学科和生物化学与分子生物学、生态学、细胞生物学、环境科学4个硕士学位点及生物科学、生物技术、生物工程、环境科学4个本科专业。

The selection of geological prospecting in different stages(initial-prospecting, detailed-prospecting)(2)the selection of geological prospecting in the deep-laid and shallow-laid of tunnel project (3)the selection of geological prospecting of tunnel projecting in different geological conditions Finally, the author summed up main problems needing to be solved in tunnel engineering geological prospecting as follow:(1)differentiate stratum and find out the depth and thickness of different stratums in the tunnel section (2)find out geological structure and existence situation of fault, broken zone and weak plane (3)find out weathering level of bed rock to classify surrounding rock combining speed materials (4)differentiate stratum structure of the entrance of tunnel to judge the stability of it (5)find out existence situation and performance of ground water (6)situations of other harmful geological phenomenon In view of above problems and classification of surrounding rock, the author showed principles of rational choosing of methods in geological prospecting and counted disperse range of physical character parameter value in different petrosal character, getting achievements as follow:(1)summarization of effect, merits and demerits of different geological prospecting methods in the tunnel geological investigation (2)method selection and arrangement principle of tunnel engineering geological prospecting in different geological conditions and prospecting stages (3)According to previous experience and cases, the author concluded the物性parameters most in use ,and showed the basis of selecting geological prospecting methods in different geological conditions.

论文中用几个应用实例来说明：(1)不同勘察阶段物探工作的选用；(2)深埋、浅埋隧道工程物探工作的选用；(3)不同地质条件隧道工程物探工作的选用。最后总结归纳出隧道工程物探所需要解决的问题主要有：(1)划分地层，查明隧道通过剖面的各地层深度与厚度。(2)查明地质构造，隧道轴线段有无断层、破碎带、软弱层面等。(3)查明基岩风化程度，从而结合速度资料进行围岩分级。(4)划分洞口地层结构，判断洞口稳定性。(5)查明地下水赋存情况及其活动动态。(6)其他不良地质现象存在情况。针对上述需要查明的地质问题与计算围岩分级情况，论文提出合理选用物探方法的原则，并统计了物性参数值在不同岩性中的分布范围。得出以下研究成果：(1)总结出各物探方法在隧道地质调查中的作用和优缺点。(2)得出不同地质条件下和不同勘察阶段，隧道工程物探方法选择和布置的原则。(3)根据以往工作经验和事例，对常用的物性参数进行了归纳总结，同时介绍了不同地质条件下物探方法选择的依据。

The development of mining engineering requires a higher degree of mechanization to improve working environment, to promote productivity, efficiency, and rate of recovery, and to highlight research on safety engineering and technology.

矿业工程的发展要求进一步提高机械化程度，实现高产、高效、高回收率，重视研究安全工程及技术，以改善矿工的劳动条件。

Straight bevel gears for general engineering and heavy engineering; Modules and diametral pitches

通用机械和重型机械直齿伞齿轮。齿数和径节

To sum up, we first conclude that we can isolate mesenchymal stem cells from human fetal articular cartilage and they can be induced to differentiae into several cells under appropriate induction conditions. Anymore, they have their original tissue speciality. Therefore, we first report that mesenchymal stem cells of articular cartilage origin are superior to mesenchymal stem cells of bone marrow origin as seeding cells of cartilage tissue engineering and we provide a kind of new seeding cells of cartilage tissue engineering for the future clinic application.

综上所述，我们首次报道不仅可从人胚胎的关节软骨中获得间充质干细胞，而且软骨来源的间充质干细胞除具有骨髓来源的间充质干细胞的多向分化能力外，还具有其来源的软骨组织特异性，那么，其作为软骨组织工程的种子细胞要优于骨髓来源的间充质干细胞，从而首次提出了一种新型的软骨组织工程的种子细胞，对于未来的软骨组织工程的临床应用提供理论依据。

What was it that made you want to change sider ?

是什么使你临阵倒戈？

I don't know what he wants, but let's play along with him.

我不知道他要干什么，可我