1、

According to the practical condition of long-period operating test of tractor, the approximate fixed-time testing plan is suggested and the functions of parameter estimation of several distributions are provided and proved.

按照拖拉机长期使用试验的实际情况,提出有替换近似定时截尾的试验类型,并推导出几种分布的参数估计公式。

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2、

with functions of setting machine parameter and testing.

具有机器设备参数的设备及自检功能.

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3、

This essay derived the estimated quantity of the model parameters and F statistical quantity of the hypothesis testing for unperfect block design by using parameter estimation and variation analysis of linear model. So it helps to get further conclusion of block design and factorial analysis.

用线型模型的参数估计与方差分析知识,对全套重复的不完全区组设计问题进行分析,找出了模型参数的估计量,并给出了假设检验的F统计量。

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4、

Compared with testing for oil data and well logging data, which verified that it was a new way in explaining the stratum lithology, the physical property parameter and the fluid property, the result is preferable.

与试油资料、录井资料等对比证实,该方法提供了一种比较有效的地层岩性和物性参数及流体性质的解释方法,效果较好。

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5、

Research and utilization laser interferometer testing NC machine position error, repass NC machine tool system parameter compensation.

研究利用激光干涉仪检测数控机床位置误差,再通过数控机床的系统参数进行补偿。

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6、

Because this method can make full use of prior information about unknown parameter, it can reduce the demand for field testing sample size.

由于该方法充分利用了验前获得的关于总体分布未知参数的信息,因而减小了对现场试验子样的需求。

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7、

The precision of the 3 D shape measurement is improved using an automated parameter adjusting method which corrects the measuring parameters based on calibration testing of a known size object.

为进一步提高精度,还采用了自动参数确定方法,即结合对已知尺寸物体进行的标定实验,在设定调整范围和步长的基础上根据测量结果对部分参数进行自动调整。

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8、

By testing the system's arrearage circle, this paper identifies the damping parameter of the eggshell shock absorber made of metal rubber, analyses the factors of the flexibility and damp.

利用测试系统迟滞环的方法,识别了金属橡胶薄壁壳体减振器的阻尼耗损因子,并分析了弹性和阻尼的制约因素。

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9、

The testing unit was used on experimental research of working performance and structural parameter of axial flow threshing and separating installation, scientific research and instructional system etc.

该试验台可进行轴流脱粒与分离装置工作性能和结构参数的试验与研究,可用于科研、教学和生产等部门。

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