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  example shows
     The optimum design example shows that the variation coefficient of load torque acting on cutting head is decreased 13.9% , and specific energy consumption is lowered 16.9% , which efficiently improves the load characteristic of cutting motor and increases the ratio of energy utilization.
     优化设计实例表明,截割头的负载转矩变差系数减小了13.9%,截割比能耗降低了16.9%,有效改善了截割电机的负载特性,提高了能量利用率。
     The optimum design example shows that the variation coefficient of load torque acting on cutting head is decreased 13.9%, and specific energy consumption is lowered 16.9%, which efficiently improves the load characteristic of cutting motor and increases the ratio of energy utilization.
     优化设计实例表明,截割头的负载转矩变差系数减小了13.9%,截割比能耗降低了16.9%,有效改善了截割电机的负载特性,提高了能量利用率。
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     The applied example shows that the improved method can increase rightness rate of sample classification from 90.5% to 100%, decrease appraisal error from 1.7% to 0.3%.
     应用实例表明改进识别方法的BP网络应用在房地产估价中能使待判样本分类正确率从 90 .5 %提高到 1 0 0 % ,相应的估价误差从 1 .7%降低到 0 .3%。
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     The example shows that the method is efficient.
     实例表明,这是个简易可行的分析多孔容器的有效方法。
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     The example shows that the desirable result can be achieved by propagating 40 eras and the recognition rate is up to 100% by means of the genetic algorithm.
     实例表明,遗传算法仅繁殖40代就能达到理想结果,其识别率达100%.
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  “实例表明”译为未确定词的双语例句
     Taking Tangshan City for example,index evaluation system of mine water resources sustainable utilization is analyzed in this paper.
     最后以唐山市为例,进行了矿区水资源可持续利用评价指标体系分析,应用实例表明,该理论方法简洁、严谨,评价结果合理实用。
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     An inverted pendulum example of non-fragile controller design of uncertainty T-S fuzzy systems shows the feasibility and the effectiveness of the method.
     通过对一级倒立摆的不确定模糊非脆弱控制器设计的实例,表明了设计方法的可行性和有效性.
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     The influence is also illustrated with an RF MEMS capacitive switch example,which shows that outside environment factors have to be taken into account when designing RF MEMS capacitive switches working in low vacuum.
     通过RF MEMS电容式开关实例,表明设计低真空封装的RF MEMS电容式开关时应考虑外部环境因素.
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     A simulation instance demonstrates the correctness of the design method.
     仿真实例表明了设计方法的正确性。
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     The practical experiment results show that the speed of this LS-SVM model is about one order of magnitude higher than SVM model,while the prediction errors are 20% of SVM model,and about 10% of BP model.
     用该模型对混凝土的强度预测实例表明,其建模速度比标准SVM高近1个数量级,预测误差仅为SVM方法的20%、BP神经网络方法的10%左右。
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     Several examples have been taken and satisfactory results obtained.
     实例表明节约显著。
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     The examples prove the method feasible.
     实例表明 ,该方法是可行的 .
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An example shows that the differentiable structures can indeed be different, even though they are isomorphic.
      
The example shows that the criteria in the paper are new, general and easily verifiable.
      
The example shows that the accuracy of classification systems of the fuzzy association rules is better than that of the two popular classification methods: C4.5 and CBA.
      
This example shows that the class of all lattice-orderable rings is nonaxiomatizable in the class of directedly orderable rings.
      
The constructed example shows that the sufficient condition of localization in Hap of the spectral expansions in the class of all elliptic differential operators on an n-dimensional paracompact manifold cannot be improved (see [1]).
      
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Three calculation methods are employed for a non-ideal multicomponent distillation co1umn with any number Of feeds and side-cut streams. Attempts have been made to improve practical applications by combining matrix method with relaxation procedure. An improved algorithm is constructed from the tridiagonal matrix with the solution procedure similar to the second-order Runge-Kutta method. Another calculalion method based on matrix method, and corrected to the normalized values by using component meterial...

Three calculation methods are employed for a non-ideal multicomponent distillation co1umn with any number Of feeds and side-cut streams. Attempts have been made to improve practical applications by combining matrix method with relaxation procedure. An improved algorithm is constructed from the tridiagonal matrix with the solution procedure similar to the second-order Runge-Kutta method. Another calculalion method based on matrix method, and corrected to the normalized values by using component meterial balace equations (CMB-matrix) is also discussed. Fourteen examples listed in tabes 1, 2 were considered to test the applicability of the proposed methods. All three methods, especially the latter two, retain the simplicity of the tridiagonal matrix method and are quite flexible and stable for strongly non-ideal systems with hard operational conditions.

本文运用松弛法和三对角线矩阵法相结合的计算方法、二阶龙格-库塔法和CMB-矩阵法对具有多进料和多侧线的非理想系统精馏塔进行了计算。 就14组计算实例表明,本文介绍的方法(尤其后两种方法),不但保持了矩阵法的简捷性,而且对非理想性很强的物系,即使在极其苛刻的条件下,也能稳定收敛。

One of the computer analysis methods of microwave circuits is presented and a general purpose analysis program named MCAP 1 for treelike microwave circuits is described. The program will automatically analyse the frequency response of the circuit having topologies and elements which are given by the user. The mathematical model and the essential parts of the program are explained.

本文提出一种微波电路的计算机分析方法,介绍了树型微波电路通用分析程序MCAP1。该程序可以依据不同电路的拓扑和数值信息,自动地构成有关性能参数的关系式并进行计算。文中对数学模型和程序要点作了说明,并通过三个典型实例表明:该通用分析程序有一定的通用性,计算精度能满足科研和生产的实际要求,而且具有使用方便、易于掌握的特点。

After a brief review the electromechanical relations of a thin piezoelectric ceramic disc are derived by means of variational calculus,using the displacement distribution of infinitely thin one as primary approximation.It is pointed out that the Rayleigh correction for the resonance frequencies is exact at least to the term of the square of thickness-diameter ratio(h/2a)~2.Our experiments support this conclusion even in the case of strong electromechanical coupling for the values of h/2a up to about 0.17.The...

After a brief review the electromechanical relations of a thin piezoelectric ceramic disc are derived by means of variational calculus,using the displacement distribution of infinitely thin one as primary approximation.It is pointed out that the Rayleigh correction for the resonance frequencies is exact at least to the term of the square of thickness-diameter ratio(h/2a)~2.Our experiments support this conclusion even in the case of strong electromechanical coupling for the values of h/2a up to about 0.17.The thickness correction of the plane electromechanical coupling coefficient k_p is also obtained and discussed.Some tables and curves are given for the purpose of applications.A general analysis of the radial vibration of a thin disc having central hole is dealt with in the appendix.

首先就无限薄圆板情形,对特征方程精确数值求根,得到径向模前三个特征值以及由和σ求 k_p,(可达0.8)的计算表格。然后以无限薄圆板的位移分布作初级近似,利用变分原理讨论了有关机电关系的厚度修正问题。推导表明,所谓共振频率的瑞利修正公式乃是所得特征方程的精确到(h/2α)~2的近似解。用机电偶合较强的压电陶瓷圆片所作实验表明,即使忽略各向异性,共振频率的瑞利厚度修正关系已很满意。给出了由 f_(r2)/f_(r1)求算σ的厚度修正曲线,可以看出该关系对厚度修正较敏感。至于求算 K_p 关系的厚度修正,给出了相对修正⊿k_p/k_p 精确到(h/2_α)~2项的表式,实例表明,一般此项修正量不大。文末还就中心开孔圆板的径向振动作出一般的分析。

 
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