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有限的试验
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  limited test
     This model can accurately describe the effect of wheel' s rotating velocity, wheel's feed velocity and the workpiece rotation speed on grinding force and surface roughness. The predicting values of the surface roughness in the working range can be obtained by using the limited test data, thus a great number of tests can be saved.
     此模型可精确地描述砂轮转速、砂轮进给速度及工件转速对磨削表面粗糙度的影响,并可利用有限的试验数据得出整个工作范围内表面粗糙度的预测值,从而大量减少试验次数。
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  “有限的试验”译为未确定词的双语例句
     The current biaxial bending design formula always use the moment magnifier factor of in plane bending, which based on finite tests data, it's a semi- theoretical -semi-experience formula.
     现今规范中的双向压弯构件的稳定验算公式中的弯矩放大系数都是套用平面内的弯矩放大系数,它是建立在有限的试验基础上的,是一个半经验半理论的设计公式。
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     To obtain the reasonable parameters for the analytical model by performing the parameter inversion based on limited experimental data would play a vital role in the prediction of the seismic response of structure and the study on decrease and isolation of vibration.
     对该系统的计算模型进行参数反演,通过有限的试验结果反演出合理的参数,对于结构的地震响应预测,以及隔震减震的研究有着重要的作用。
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     2. Under the condition of test data insufficience,the inversion analysis of parameter has been done according to the finite test data and geological record,based on the inversion analysis,the stability of shallow landside and deep-seated landside have been anslysised and the measures has been adopted alternatively.
     2、在试验资料不足的情况下,利用有限的试验资料并结合勘察结果对参数进行了反演分析,并以此为依据对浅层滑坡和深部古滑坡的稳定状况及原因进行了分析,并相应的采取不同的整治措施。
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     The numerical results at small and middle angles of attack are compared with experimental data and existing theories. It is shown from some examples that results of present method are satisfactory.
     中小平均迎角的数值结果与有限的试验数据和其它理论作了比较,示例表明本方法的结果令人满意。
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     The GM(1,1)model has been established by means of grey theory ,and the prediction method of loads settlement relationship of large diameter pile has been discussed in this paper.
     运用灰色理论 ,建立了桩的荷载 沉降关系的GM(1,1)模型 ; 论述了运用灰色理论根据有限的试验数据预测大直径桩完整的荷载 沉降关系的方法。
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  相似匹配句对
     finite.
     -有限 .
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     TESTING
     试验
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     Improved Finite Element Analysis Model by Modal Test
     有限元计算模型试验修正
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     TEST BASED FEM MODELING AND MODIFICATION
     试验有限元建模和模型修改
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     Elastic - plastic finite element analysis and experiment of a petal basket - like screw cap
     花篮螺丝弹塑性有限元分析及试验
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  limited test
Often, staging evaluations are performed that have limited test performance characteristics, subject the patient to unnecessary morbidity, or simply do not provide additional useful clinical information.
      
Within the limited test panel of 11 inbred strains and their recombinant derivatives, the hybridoma antibodies reacted concordantly to alloantisera with public (H-2.5, H-2.11, and Ia.
      
At higher concentrations, however, limited test reliability resulted from direct toxic effects on bacterial growth.
      
However, Essex County represents a very limited test of the hypothesis.
      
It is sugtested that the criterion can be used as a basis for conservatively extending limited test results to conditions for which test data cannot reasonably be obtained.
      
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In this paper the importance of Froude, Reynolds and Newton numbers in trawl model testing was discussed. The apparent weight of synthetic netting in water is negligible comparing with the hydrodynamic forces, therefore the trawls and their models are located in the self-modelling region of the generalized Froude number r*. The full scale gear is in the self-modelling region of Reynolds number, but the model is situated in the low Reynolds number region. When converting the drag it is necessary to make Reynolds...

In this paper the importance of Froude, Reynolds and Newton numbers in trawl model testing was discussed. The apparent weight of synthetic netting in water is negligible comparing with the hydrodynamic forces, therefore the trawls and their models are located in the self-modelling region of the generalized Froude number r*. The full scale gear is in the self-modelling region of Reynolds number, but the model is situated in the low Reynolds number region. When converting the drag it is necessary to make Reynolds number correction.The existed model test laws made by Tauti, Baranov and Dickson can be used in the trawl model testing, which also can be made according to Newton number. The model testing results converted to their full scale values with Reynolds number correction agree well with the full scale testing results.The above conclusion is made from the limited model and full scale tests and the further study is needed.

本文讨论雷诺数、佛洛德数、牛顿数在拖网模型试验中的意义。合成纤维网衣在水中重量与水动力相比可忽略不计,拖网及其模型均处于广义佛洛德数的自动模型区域内。实物网处于雷诺数的自动模型区域内,但其模型位于小雷诺数范围。换算阻力时需进行雷诺数修正。 现有田内、巴拉诺夫、迪克逊网渔具模型试验定律,可用于拖网模型试验,但也可用牛顿数安排试验。模型试验结果经雷诺数修正,并换算到实物网,与海上实测结果符合良好。 上述结论仅依据有限试验得出,尚需进一步验证。

In this paper, an approximate analytical method is developed by which pitching derivatives are predicted for three dimensional wings with pointed leading edge in supersonic and hypersonic stream. The analytical method is obtained by the local flow piston theory plus the strip theory. Present method is valid for wings of rather general planform and pointed leading edge at arbitrary mean angles of attack provided the shock wave is attached to the leading edge of the wing. The numerical results at small and middle...

In this paper, an approximate analytical method is developed by which pitching derivatives are predicted for three dimensional wings with pointed leading edge in supersonic and hypersonic stream. The analytical method is obtained by the local flow piston theory plus the strip theory. Present method is valid for wings of rather general planform and pointed leading edge at arbitrary mean angles of attack provided the shock wave is attached to the leading edge of the wing. The numerical results at small and middle angles of attack are compared with experimental data and existing theories. It is shown from some examples that results of present method are satisfactory.

本文给出计算超声速和高超声速尖前缘三维机翼俯仰导数的一个近似解析方法。该方法是根据当地流活塞理论和片条理论导得的。在激波附着于机翼前缘情况下,本方法可用于计算任意迎角,颇为一般的平面形状、尖前缘剖面机翼的俯仰导数。中小平均迎角的数值结果与有限的试验数据和其它理论作了比较,示例表明本方法的结果令人满意。

Owing to the fact that the bearing capacity of large diameter pile is very strong, to obtain the integrated relationship of load settlement of large-diameter pile by site test is very difficult,Whether to the load conditions or to the test techniques. So, how to accurately predict the integrated relationship of load settlement of large diameter pile, and then to define its bearing capacity by using limited test data is an extensively concerned problem in engineering. The GM(1,1)model has been established...

Owing to the fact that the bearing capacity of large diameter pile is very strong, to obtain the integrated relationship of load settlement of large-diameter pile by site test is very difficult,Whether to the load conditions or to the test techniques. So, how to accurately predict the integrated relationship of load settlement of large diameter pile, and then to define its bearing capacity by using limited test data is an extensively concerned problem in engineering. The GM(1,1)model has been established by means of grey theory ,and the prediction method of loads settlement relationship of large diameter pile has been discussed in this paper. By comparing with the test results of engineering example,it has been proved that this theory is reliable , and the precision of the prediction result is satisfiable for engineering.

对于大直径桩 ,要通过现场静载试验来得到桩基础完整的荷载 沉降关系 ,以确定其极限承载力 ,无论是从加载条件还是测试技术上讲都是很困难的。因此 ,如何通过有限的测试数据来准确地预测大直径桩完整的荷载 沉降关系 ,进而确定桩的极限承载力 ,是工程界广泛关注的问题。运用灰色理论 ,建立了桩的荷载 沉降关系的GM(1,1)模型 ;论述了运用灰色理论根据有限的试验数据预测大直径桩完整的荷载 沉降关系的方法。通过对工程实例的对比分析 ,证明其理论可靠 ,预测结果的精度满足工程要求

 
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