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In many fields, such as society, economy, business and physical science, factor analysis models is applied in the multi-index system of these fields, but factor analysis models and theory is not complete, which cumbers the application and development of factor analysis.

摘要本文应用因子分析模型L及其解，求出了经典因子分析模型中公因子载荷、公因子、特殊因子的精确解，解决了经典因子分析模型和理论存在的9个问题，进一步，指出了经典因子分析模型及其解根本的局限性问题：公因子解没有排除观测误差的干扰，不能达到降维的目的等。

In structure, in order to offer the agility of scheme implementation, it adopts hierarchical design, combining the virtue of hybrid Identity-Based public key schemes, which makes signature and encryption arithmetics configured and decouples them.

在结构上，采用了层次式的设计，结合混合的基于身份公钥方案的优点，使得基于身份的签名和加密的功能可配置，并且解决了加密、签名算法的紧耦合问题，为方案的实现提供了灵活性。

Speaking on American television Miss O'Donnell said:'When someone like Madonna wants to adopt and she is a citizen in the US she has to get adoption home study, she has to get fingerprinted and she has to get cleared.

丹尼尔对美国电视台讲：当麦当娜想要收养孩子的时候，她作为美国的公民，她学习了相关的收养条例，采集了指纹，解决了一切问题。

Through the material conformity and the flow specialized management, to the material purchase, the examination, the storage, the storehouse, the transportation and so on each link carries on the strict management and the control, first reduced the project cost, second has solved the material quality, the environmental protection question from the source, avoided taking substandard products as fine products, impersonates the real phenomenon.therefore asks you not to need to worry its product the quality question, moreover industry the peak company will ask the expert to help you to examine the air quality question, if the environmental protection will be unqualified, industry the peak company will meet the sum total to refund money!

通过材料的整合和流程的专业管理，对材料的采购、检验、储存、出库、运输等各个环节进行严格管理和控制，第一降低了工程的成本，第二从源头上解决了材料的质量、环保问题，避免了以次充好、以假充真的现象。所以请你不必担心其产品的质量问题，而且业之峰公司会请专家来帮你检测空气质量问题，如果环保不合格的话，业之峰公司会全额退款的！祝你装修愉快，装一个好家，享受一生的幸福！

The functions of signal emmitting, incepting, magnifying, data collecting and processing, displaying graphics, determinantdefects, as well data saving and outputting are realized. The saving problem of traditional ultrasonic testing is solved, and some infection factors of handlers are reduced. In virtue of technology of digital analysis and processing.

实现了检测过程的信号发射、接收、放大、噪声处理、数据采集、回波图形显示、缺陷判定、以及检测结果存储、回放和输出，解决了传统超声检测无记录等问题，减少了人为因素的影响。

The functions of signal emmitting, incepting, magnifying, data collecting and processing, displaying graphics, determinant defects, as well data saving and outputting are realized. The saving problem of traditional ultrasonic testing is solved, and some infection factors of handlers are reduced.

实现了检测过程的信号发射、接收、放大、噪声处理、数据采集、回波图形显示、缺陷判定、以及检测结果存储、回放和输出，解决了传统超声检测无记录等问题，减少了人为因素的影响。

This welding wire not only has the inherent properties of metal powder-cored wire, such as with better welding quality, without slag, highly efficiency and conveniently adjusting the alloying elements etc., but also has the advantage of low hardness in as-welded (less than HRC45), good machinability, high hardness in as-aged (more than HRC55) and better wear resistance with customary working procedure on making or repairing equipments such as rollers when reasonable designing the alloys content. The author adequately makes use of the high-tempering in the required stress relieving working procedure. During this working procedure, which causes the hardness of overlaying metal increased by the reason of austenite changes into tempered martensite and more chiefly what is the precipitation of a lot of carbide by secondary hardening simultaneously. This wire can solve the hard rolled problems of some solid wires with higher alloys while it can get over the conflict of existing overlaying materials what are always possesed high hardness with poor machinability or low hardness, good machinability with poor wear resistance. Further, it also can overcome the intenerating phenomena between welding beads and make the external hardness of overlaying metal uniform. Be sure it could be found important meaning in the overlaying of wear-resistant equipments, such as the precise roller.

该焊丝除了具有金属粉型药芯焊丝焊接质量好、无渣、高效率和合金成分可方便调节等固有的优点外，合理的设计粉芯中的合金成分，按通常工序制造与修复轧辊等设备，充分利用必需的消除应力工序的高温回火，堆焊层金属在奥氏体转变为回火马氏体的同时更主要是通过二次硬化析出了大量碳化物导致硬度增加，使得该焊丝还具有焊态硬度低(小于HRC45)、机加工性能好和时效态硬度高(大于HRC55)、耐磨性能好等优点，解决了某些高合金实芯焊丝轧制困难的问题，同时克服了现行堆焊材料硬度高、加工性能差或者硬度低、加工性能好、耐磨性差的矛盾，并能克服焊道之间的软化现象，使堆焊表面硬度较为均匀，对耐磨件，譬如精轧辊的堆焊具有重要意义。

This equipment can not only solve the plug lining-up problem in mechanizing way when plug seedlings are transplanted, but also can raise the working speed of no-tillage transplanter, and reduce the working intensity of operator.

利用圆台形钵体的外形特点，采用仿形导向轮式排队装置，解决了栽植过程的钵苗机械化排队问题，提高了免耕栽植机的作业速度，减轻了操作人员的劳动强度。

It has developed the BIO DRY, mold preventive, anti-bacterial preventive, positive ion anti-mildew packing paper and all kinds of anti-mildewpackaging, and has resolved the problem of damping, mildewing and smelling strangely of leather products,textile, furniture, toy and precise electronic products.

贝傲有限公司是一家集设计、检测、生产、销售于一体国际化企业，并致力于防潮，防霉，抗菌领域的研发推广，开发了BIO DRY 生化干燥剂，防霉抗菌剂，阳离子防霉包装纸及各类防霉包装，解决了皮革制品、纺织品、家具、玩具、高精电子制品的受潮、霉变、产生异味的困扰，为出口产品的运输，仓储提供了有效的保障，被誉为出口贸易的保护神。

Bio Armor Anti-bacterial Company is an international enterprise concentrating on design, detection,production and sales, engaging in the developing and expanding in the field of humidity proof, mildew proof and anti-bacterial. It has developed the BIO DRY, mold preventive, anti-bacterial preventive, positive ion anti-mildew packing paper and all kinds of anti-mildewpackaging, and has resolved the problem of damping, mildewing and smelling strangely of leather products,textile, furniture, toy and precise electronic products. It provides effective guarantee for the transportation and storage of the exported products and obtains the fame of protection god of international trade

贝傲有限公司是一家集设计、检测、生产、销售于一体国际化企业，并致力于防潮，防霉，抗菌领域的研发推广，开发了 BIO DRY 生化干燥剂，防霉抗菌剂，阳离子防霉包装纸及各类防霉包装，解决了皮革制品、纺织品、家具、玩具、高精电子制品的受潮、霉变、产生异味的困扰，为出口产品的运输，仓储提供了有效的保障，被誉为出口贸易的保护神。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。