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现有经验
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  existing experience
     It is intended to raise design level of communication system of the plant through summing-up of existing experience.
     旨在总结现有经验,提高天然气净化厂通信设计水平。
短句来源
     Simulation results show that using immune algorithm to optimize fuzzy controller helps to solve premature problems and to quicken evolution course by referring to the existing experience.
     研究结果表明 :改进后免疫遗传算法既能有效克服用遗传算法筛选模糊规则造成的早熟现象 ,又能充分利用现有经验 ,对学习过程进行适当引导 ,加快收敛速度
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     For improvimg DEA's discriminating power, the existing experience is that the number of DMUs should be at least two or three times the total number of inputs and outputs in any DEA application.
     为使DEA评价结果具有合理的区分度,现有经验是使输入、输出指标总数与决策单元数之间满足一定的数量关系。
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  “现有经验”译为未确定词的双语例句
     Compared the experimental results with the five correlations used in predicting boiling heat transfer coefficient, it is found that the Kandlikar's correlation with F_(fl) =1.41 has the same tendency with the experimental data for low vapor quality regions.
     将实验结果与现有经验关联式进行了对比,在实验数据基础上得到了一个新的修正关联式。 从现有沸腾换热关联式与实验数据的计算值的对比结果发现:沸腾换热系数随干度的变化与Kandlikar(1990)(F_(fl)=1.41)关联式的计算结果有相似的趋势;
短句来源
     Experience in existence on sour gas reservoir reforming at home and abroad shows that hydraulic fracture technique often confront with technical problems such as high injection pressure, high fluids loss velocity, serious water block, low fracture conductivity, hard cross-linking and decomposing of gel.
     目前国外对高含硫气藏储层改造的现有经验表明,水力压裂技术面临施工压力高、高滤失、易水锁、裂缝导流能力低、压裂液交联效果差、破胶困难、压裂液悬砂性能差等主要技术问题,水力压裂技术常常在含硫气藏储层改造中失败;
短句来源
     But, the existing experiential formulas to calculate the penetration depth in steel fiber concrete can't reflect its effect.
     但是,现有经验公式均不能反映钢纤维混凝土材料韧性的影响。
短句来源
     The material is damaged and the energy is dissipated while a projectile penetrates its target. Therefore, the toughness of target has profound influence on penetration depth.
     武器对材料的侵彻过程同时也是材料损伤与能量耗散的过程,因而靶体材料韧性对武器侵彻深度有很大的影响,但是,现有经验公式均不能反映钢纤维混凝土材料韧性对侵彻深度的影响。
短句来源
     Some basic problem s of on-line monitoring for electrical equipment in substa tion,in-cluding basic conception and principle,diagnosis method,experience,ap plicability and economy,are discussed.
     阐明了变电站电气设备在线监测的一些基本问题,包括在线监测的基本概念和原理、诊断方法、现有经验、实用性和经济性等。
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     What experience can we draw on and what lessons can we learn?
     什么经验教训?
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     Comparison of Current Tools for Z
     Z的工具的比较
短句来源
     Real World Experience
     你工作经验吗?
短句来源
     The Discussion of Incendiary Agents
     燃烧剂述评
短句来源
     There are so many shortcomings such as low efficiency, low usage and failing to accumulate knowledge and experience in current telecom special system.
     的专题分析方法和系统存在效率低、重用性差、知识经验无法积累等缺点。
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  existing experience
The situation with regard to instrumentation (including diagnostic capabilities and limitations) is reviewed on the basis of existing experience and new solutions are proposed as required by compact-plasma observations.
      
Dissemination of existing experience in this area and application of known methods is now a challenging task for health authorities, research centres and international organizations.
      
The work is related to existing experience with a broad range of observations resulting from educational experiments.
      
The existing experience and system of standards permit fulfilling this work in a short time.
      
The existing experience in developing moisture meters serves to arrive at only the preliminary conclusions about the advisability of using certain methods of measurement (composition-property bonds) for given materials.
      
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The existing experimental method cannot accurately calculate the ultimate carrying capacity of the reinforced concrete slab column connections subjected to moment and shear. In this paper the spatial strut and tie model is used, and the connection is simplified as a structural system which is composed of a series of steel bars and concrete struts. The yield of steel bars and antipunching element is taken as the failure sign, and the strength expressions of four ultimate states of interior connections...

The existing experimental method cannot accurately calculate the ultimate carrying capacity of the reinforced concrete slab column connections subjected to moment and shear. In this paper the spatial strut and tie model is used, and the connection is simplified as a structural system which is composed of a series of steel bars and concrete struts. The yield of steel bars and antipunching element is taken as the failure sign, and the strength expressions of four ultimate states of interior connections are analyzed. Based on the calculation results of the analyzed expressions, the ultimate shear moment interaction diagrams for interior connections can be drawn. The comparison with a lot of experimental results proves that this method is convenient and reasonable and it is feasible in the practical design.

现有的经验方法无法准确计算同时传递竖向剪力和不平衡弯矩的钢筋混凝土板柱中节点的极限承载力 .本文采用空间拉压杆原理将节点简化为由一系列钢筋拉杆及混凝土压杆组成的结构体系 .以受拉钢筋和抗冲切元件屈服为标志 ,推导出了 4种极限状态下中柱节点的极限承载力表达式 ,以此计算结果为基础可以作出相应的节点极限承载力折线图 .与较多实验结果的对比证明该方法计算简便 ,结果合理 ,适用于工程设计

There are an applied limitation and accuracy for existing modles of predicting the carbonation of concrete with statistics of test data.Based on Papadakis theorical model of carbonation and by the using of finite element method,the numerical simulation for carbonation speed and substances variation in carbonated zone is carried out and the reliability of hypothesis for experimental modle is also examed.And by comparison with the rezults of tests,the feasibility of this method is checked.

混凝土碳化速度预测模型是结构耐久性评价的重要组成部分。现有的经验模型是通过试验数据拟合而得到的经验公式,其适用范围和精度都有一定的局限性。作者以Papadakis的理论碳化模型为基础,利用有限元方法,对混凝土碳化过程进行了数值模拟,分析了碳化区物质含量变化规律,检验了经验模型假定的可靠性。并通过与试验结果的对比,验证了该方法的可行性。

 
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