查询词典 span

This text passes correctly elm two of Daqing oil field is united --One Song unite person who bury oil pipeline scene to live in environment survey and study, is it take a sample test , environmental corrosivity survey , corrosivity measuring of pipeline and assess of soil to excavate, is it cause person who bury pipeline antiseptic layers of invalid main factor to find out , confirm the environmental grade of corrosion of soil according to environmental comprehensive physics and chemistry index of soil, grasp pipeline antiseptic invalid law of layer , study antiseptic layers of resistivity decay law and to influence that negative pole protect, is it suitable for person who bury antiseptic layer of life-span of the pipeline calculate formulae and actual effect criterion model to propose on the basis of this text, illustrate and simply analyse oil field long to fail person who bury antiseptic layer of surplus ability to work of the pipeline, unite for elm two --One Song unite pipeline antiseptic maintenance of layer , is it put forward science rational suggestion to change.

本文通过对大庆油田榆二联——宋一联埋地输油管道所处环境的现场调研、开挖取样化验、环境土壤的腐蚀性勘测、管线的腐蚀性检测和评估，找出引起埋地管道防腐层失效的主要因素，并根据环境土壤的综合理化指标确定该段环境土壤的腐蚀等级，掌握管道防腐层的失效规律，研究防腐层电阻率衰减规律及其对阴极保护的影响，在本文的基础上提出适用于埋地管道防腐层寿命计算公式和失效判据模型，例证和浅析油田长输埋地管道防腐层剩余工作能力，为榆二联——宋一联管道防腐层的维修、更换提出科学合理的建议。

The theoretical calculations for the mid-span deflection and bottom plate strain of the steel girder are found to be in good agreement with the experimental results. This indicates that the model established and the governing differential equations derived in this dissertation are correct and efficient.

论文中所提出的预应力简支钢箱梁理论的分析方法，对解决配置有曲线型预应力钢索的钢梁的非线性问题来说是一种精确而简便的计算方法。

Furthermore,we will design an automatic opto-electronic deflection measurement system based on connected pipes which can be practised in the long-span bridge.

以设计能实用于大跨度桥梁挠度自动监测的光电挠度测量系统。

For cable stayed bridge of single tower cooperative system that are often used in practice,the cable tower and beam s character of this system in deflection and mechanics from the length without cable and the ratios of depth of beam to main span is analyzed.

对于工程中常见的独塔不对称协作体系，从主跨无索区长度及主梁的高跨比着手，分析协作体系斜拉桥索、塔、梁的受力及变形状态，对上述设计参数提出合理的取值范围。

The seismic performance such as failure pattern,fai lure mechanism,hyst eresis loop curves,restoring-force model,displacement-restoring capacity,displac ement ductility,rigidity degradation and energy dissipation of two pieces of HPC frame with double-story and double-span are studied systematically by testing o f low reversed cyclic loading.

通过低周反复荷载试验对两榀双层双跨高性能混凝土框架的破坏形态、破坏机制、滞回曲线、骨架曲线、恢复力模型、变形恢复能力、位移延性、刚度退化、耗能能力等性能进行了较为深入系统的研究。

Methods:Expected life span was calculated based on the changing rules observed by demographist Coale and Demeny and the iterative model modified by Ca Ruide. Univiarite linear regression model was used to predict elder population coefficient.

采用人口普查资料、卫生事业发展资料，利用SAS9.0软件，根据人口学家Coale和Demeny提出的平均期望生命增长规律和查瑞传修订的迭代模型，预测河南省平均期望寿命，利用线性回归模型预测老年人口系数。

Brilliant, tragic, and desolately惨惨unhappy and worried in the chaotic history of the rapid rotation between heaven and earth, the Millennium, thousands of years, but only a brief span.

辉煌的，悲壮的，凄凄惨惨戚戚的历史在混沌的天地间飞速转动，千年，万年，不过只是弹指一挥间。

This system is applicable to offices , grocery detailer shops and different types of small span building .

钢结构建筑的六种框架形式2 该系统适用于办公室，杂货零售店或各式小跨度建筑，具有室内外均较美观的特点，屋面坡度较小。

At that time, Western occupation of the three countries in the region were originally issued by the monetary integration was the action, but ruled out in the occupied territories of the Soviet Union, the so-called issue of the deutsche mark, and in the occupied territories of the Soviet Union also issued a short span of three days after the East Marker, has become a symbol of East and West Germany formally separated.

当时西方三国占领区内原本分别发行的货币进行了整合的动作，但却排除苏联占领区，发行了所谓的西德马克，而苏联占领区也在短短三日后发行了东德马克，俨然象征东西德正式分离。

This is an introduction of the new progress of the theory and research in life-span developmental psychology.

毕生发展心理学是近年来比较活跃的心理学研究领域。

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。