特性

The results show that the IEC-GTO can obtain a better trade-off relation between on-state and turn-off characteristics.

结果表明，IEC-GTO在关断特性和通态特性间获得较好的折中。

This paper presents an I-V equation that is available in the whole on-state region by numerical simulation, and creates the I-V Characteristic Macromodel.

因此在数值模拟的基础上提出了全导通区域的伏安特性方程，建立了LDMOS I-V特性的宏模型。

This paper aims to investigate structural health monitoring oriented finite element modeling for the tower of long-span bridges.

首先采用不同的方法分别建立了大跨桥梁索塔的精细有限元模型和简化模型，运用环境振动实测结果对简化有限元模型进行了修正，并和精细模型计算结果相比较；研究结果表明：严格按照设计图纸建立的精细有限元模型计算得到的动力特性与索塔现场环境振动实测值之间的误差较小，而未经修正的简化模型误差较大，由此说明：大跨桥梁在有限元建模时应尽可能详细地反映结构的几何与材料特性，在此前提下，对于设计资料全面的桥梁结构，建立有限元模型时就只需要修正那些无法用数学和物理方法模拟的不确定因素。

H-BN thin films were prepared on the (100)-oriented surface of n-Si by r. f. sputtering physical vapor deposition. The field emission characteristics of the BN films were measured in a ultra high vacuum system. It has been found that the field emission characteristics of BN films is affected evidently by substrates temperature.

利用射频磁控溅射方法，真空室中充入高纯N2(99.99%)和高纯Ar(99.99%)的混合气体，在n型(100)Si基底上沈积了六角氮化硼薄膜，在超高真空0^(-7Pa系统中测量了BN薄膜的场发射特性，发现沈积时基底温度对BN薄膜的场发射特性有很大影响。

Also, the relationship between orifice and system dynamic performance was discussed.

最后对喷嘴悬浮系统整体的动态特性进行了建模仿真，并研究了阻尼孔对系统动态特性的影响。

The use of the orthogonal complement arrays can reduce the governing equations of the system, and enhance the calculating efficiency.

论文以具体实例为对象，运用SMART程序分析了系统的运动学特性和动力学特性。

In the second part, by using uniform design and orthogonal design methods, some groups of mix test of foam lightweight with different component are conducted, the test data is analyzed by neural networks model and regression model, and optimum mix proportion is obtained. Orthogonal design for mix material considering density factor is presented, as well as uniform design for mix material adapting to different density. The mechanic characteristics of foam lightweight material and engineering characteristics differing from general material under an allround press are founded. Through the analysis of asymmetry settlement for Doulong sluice and the comparison of correct deflection scheme, the foam lightweight material shows some advantages in the load reduction.

在泡沫轻质材料的研究方面，利用均匀设计和正交设计方法进行了几组不同组分的泡沫轻质材料的配方试验，利用神经网络模型和回归模型对试验数据进行处理，得出最优配方；提出了考虑密度因素的混料配方的正交设计方法和适合不同密度时的混料配方均匀设计方法；研究了泡沫轻质材料的力学特性，并发现了在围压作用下所表现出的不同于一般材料的工程特性；论文将上述研究成果用于斗龙港闸工程的处理设计，通过对该闸的不均匀沉陷分析和各种纠偏方案比较表明，采用泡沫轻质材料进行减载处理有一定的优越性。

The course will introduce the basic theory of Linear Algebra including linear equations, Matrix theory and vector space concept. Eigenvalues and eigenvectors are used for describing the characteristics of the system. A set of orthogonal basis vectors represent the vector components and transformation characteristics.

线性代数是利用向量与矩阵特性，解决任何以线性方程式描述之系统，譬如电路系统、通讯系统、控制系统；藉由线性代数之特征值与特征向量，更能深入了解系统之内涵；藉由线性代数正交基底，则能深入了解向量讯号之组成与其转换特性。

This method prefilters input data by the orthonormal basis functions in order to get some dynamic characteristics. Unfortunately, the gradient algorithm could not be directly used in parameter identification because the prefiltered data do not have time shift characteristic anymore.

该方法通过正交基函数对输入数据进行滤波，使得滤波后的数据蕴涵着系统的部分动态特性，但也使滤波后的数据不再满足时移特性，因而无法直接使用梯度算法对模型参数进行辨识。

This method pre filters input data by the orthonormal basis functions in order to get some dynamic characteristics. Unfortunately, the gradient algorithm could not be directly used in parameter identification because the pre-filtered data do not have time shift characteristic anymore.

该方法通过正交基函数对输入数据进行滤波，使得滤波后的数据蕴涵着系统的部分动态特性，但也使滤波后的数据不再满足时移特性，因而无法直接使用梯度算法对模型参数进行辫识。

They go to town. Would you just ask them?

他们在城里你能问他们吗？

Ossein pretreated for a2 weeks period exhibited the maximum% yield incase of bone gelatin, while the yield from intact skin was higher than that realized incase of de-scaled skin.

预处理时间达2星期的骨胶原表现出最高的骨明胶百分产量，然而从未处理鱼皮中得到的产率比去鳞的鱼皮得到的要高。