组合方法

A notion of design object is proposed,based on which the design information of product is described.The composed relation,version relation,and equivalent relation are used to establish the relation design object.

文中提出了设计对象的概念，以设计对象为基础组织和描述完整的产品设计信息，建立了设计对象之间的组合联系、等价联系以及版本联系，提出了设计对象的层次模型表示方法。

A notion of design object is proposed,based on which the design information of product is described.The composed relation,version relation,and equivalent relation are used to establish the relation design object.A version mechanism is established in the paper for engineering data management.

文中提出了设计对象的概念，以设计对象为基础组织和描述完整的产品设计信息，建立了设计对象之间的组合联系、等价联系以及版本联系，提出了设计对象的层次模型表示方法。

We also compared the prognostication precision, endow differ power, and established assembled forecast model.

比较各方法预测精度，赋予不同权重，建立组合预测模型。

This paper extends the solution methods for 2-D projective transformation matrix from 4 points corresponding to variety combinations of points and lines corresponding, such as 4 points, 4 lines, 1 point and 3 lines, 3 lines and 1 point, and 2 points and 2 lines, etc.

该文把求解2-D射影变换矩阵的方法从单纯的四点对应扩展到多种组合形式的四元素对应当中，如：4点、4线、3点1线、3线1点和2点2线等。

Joint segregation analysis of P1, F1, P2 and F2 populations derived from a cross between Lishuizhongzihuang and Nannong 493-1 in soybean was used to study the inheritance of the resistance of soybean to bean pyralid in this article.

在田间自然虫源条件下，以溧水中子黄豆和南农493-1正反交组合的F2群体为材料，F2单株叶片损失率为抗性鉴定指标，应用亲本、F1和F2四个世代的数量性状主基因+多基因混合遗传分析方法，分析了大豆对豆卷叶螟抗性的遗传。

For study of relevant factors which influence the wet-heating processing,the experimental method of the quadratics rotary orthogonal combination was adopted,and three evaluation indexes(gelatinization,unit weight and material powder) were applied in the experiment.

对影响高水分玉米热风加热压片的因素，利用正交旋转组合设计的方法，以玉米片糊化度、容重、碎粉率为评价指标进行了试验研究。

In addition, Professor William Quain has developed a method for analyzing sales-mix profitability that looks at process from the point of view of profit analysis by segment.

此外，教授奎因已制定了一个分析方法销售组合盈利看待进程的角度来看，利润的分析部分。

Existing literature on the inquiry,collation and analysis,this article had the following major tasks:1st,finite element simulation of the current analytical methods are summarized,and system introduction finite element software ADINA and ANSYS applied in the reinforced concrete built-up section.2nd,system introduction reinforced concrete component material performance as well as reinforced concrete nonlinear analysis main mathematical model. 3rd,the use of ANSYS and ADINA software simply supported beam simulation were compared.4th,uses the ANSYS analysis software,conducted 7 radical center bearing reinforcing steel-side steel pipe concrete short stump simulation test research,the research had indicated the reinforcing steel the existence strengthened the pillar ductility greatly.5th,based on ANSYS,has conducted 2 radical center bearing reinforcing steel-side steel pipe concrete member in bending simulation test research.

通过对现有文献的查询、整理及分析，本文进行了以下主要工作：1、对目前有限元模拟分析方法进行了总结，并系统的介绍了有限元软件ADINA和ANSYS在钢筋混凝土组合结构中应用。2、系统的介绍了钢筋混凝土构件的材料性能以及钢筋混凝土非线性分析的主要数学模型。3、利用ANSYS和ADINA软件对简支梁进行了对比模拟分析。4、利用ANSYS分析软件，进行了7根轴心受压钢骨-方钢管混凝土短柱的模拟试验研究，研究表明钢骨的存在大大加强了柱子的延性。5、利用ANSYS分析软件，进行了2根轴心受压钢骨-方钢管混凝土受弯构件的模拟试验研究。

In addition, our results show that the choice of spectral bands and the procedure of radiometric rectification can affect the accuracy of change detection in a large degree.

另外，研究还表明，不同的分类波段组合和辐射校正方法对探测效果均有较大的影响。

In this paper we have found the main component s in a n -dimension random vector X , the so called main compon ents don′t contain linear relation and the others of X can be expressed as the linear combination of the main component s.

本文提供了在多维随机变量中寻找主成分的一种方法，证明了其余分量均可表示为主成分的线性组合，解决了多维随机变量的各个分量之间所存在的线性关系问题。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。