以下为句子列表：
英文: Different algorithms were compared in the numerical simulation and model experiment of concrete velocity inversion The results showed that, compared with the least-square solutions and the damped least-square solutions, the damped and natural weighted lea
中文: 结果表明，相对于最小二乘法和阻尼最小二乘法，基于自然权的加权阻尼最小二乘算法，由于利用了正确的先验信息，不但使反演过程收敛，而且具有数值稳定、抗噪能力强的优点，其成像结果能真实有效地反映对象内部缺陷，因此更适用于混凝土的超声波速度反演。
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英文: Prototype observation and model experiment indicate that flows in two channels of the discharge passage of an axial-flow pump and a guide vane mixed-flow pump are unequal to each other, there is flow deviation.
中文: 摘要原型观测和模型试验都表明，轴流泵和导叶式混流泵双孔出水流道两孔流量不等，存在偏流。
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英文: The results of model experiment proved that the new-type setting basin can greatly improve the deposition efficiency of suspended sediment and help the excluding of silt.
中文: 试验结果证明，这种新型冲洗式沉沙池可以大大提高沉沙池对悬移质泥沙的沉淀效率，并有利于泥沙的排除。
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英文: This paper presents a method to verify thermal design of antenna by combining model experiment with computer simulation, discusses design process and steps in detail.
中文: 本文从空馈体制相控阵雷达天线的热设计方案着手，提出了用模型试验与计算机仿真相结合的方法对天线热设计方案进行验证，并详细介绍了设计过程及步骤。
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