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This paper is based on a data collecting project of moving and static test-bed about helicopter airscrew, the total oral distance system is the subsystem of the project, and the paper reserched and developed our countrys most advanced moving and static test-bed about helicopter airscrew.

本文以"直十旋翼动平衡台控制采集王程"的总桨距调节系统为背景，研制开发我国最先进的直升机动平衡试验台。

This paper reviews the historical development of the algebraic solutions of polynomial equations, introduces the life and scientific achievements of Cardano together with the historical background of Ars Magna. Based on this, the paper makes an elaborate study on Ars Magna.

本文首先回顾了多项式方程代数解法的发展过程，介绍了卡尔达诺的生平、科学与数学成就以及《大术》的历史背景，然后在此基础上详细研究了《大术》各章的内容。

On the presentation of Mn-P fixation, this paper reviews the latest advances in recent 10 years and concentrates on the mechanism of phosphorus fixation in acid soils. In addition, it brakes through the classical inorganic P fractionation in to Fe-P, Al-P, O-P and Ca-Pin the traditional P classification and considers Mn-P as one of the main phosphorus fixation modes in latosols, cultivated from the parent basalt material. Furthermore, fixation of P by Fe, Al, Mn is compared, and differentiation from chemical availability and bioavailability of P discussed. Based on the above, this paper presents some alienable measures for enhancing P utilization efficiency and postulates pivotal future research directions in the field of P fixation.

本文以Mn-P的提出为出发点，论述了近10年来对酸性土壤固磷机理研究的新进展，突破了常规P素形态分级研究中分为Fe-P，Al-P，O-P和Ca-P等无机磷测定的经典分级，认为玄武岩母质砖红壤中的Mn-P是P素固定的主要形式之一，进而比较了Fe、Al、Mn对P固定作用，并从P的化学有效性与生物有效性差异等方面进行了比较全面的论述，提出了减少P素固定提高磷肥利用率的措施及今后的重点研究方向。

This paper will analysis and research the webpage with its layout and methods, the visual elements and design principles, web standards, the traditional form layout and DIV+CSS layout and so on, in order to find out those criteria which are followed by a good web page on the aspects of design of layout and visual elements. This paper can give people some references when they are doing some design in the future, at the same time, explores new technology of the web page layout, to make the web page layout simple, convenient, easy to operate, increase the readability and alterability of the code, to reduce the redundancy of code program, to increase efficiency of the persons who are producing the web.

本论文将就网页的布局及方法、网页视觉构成要素及设计原则、Web标准、传统的表格布局及DIV+CSS布局等方面进行分析与研究，从而寻找网页布局、视觉构成要素设计等方面所遵循的一些准则，给今后人们在进行网页设计时以一定参考的同时，探究网页布局的新技术，使网页的布局简单、方便、易于操作、增加代码的可读性和可改性，降低程序代码的冗余性，提高网页制作人员的工作效率。

And the influence of the paper density on the thermal conductivity of aluminosilicate fiber paper was investigated.

研究了硅酸铝纤维的打浆和除渣工艺，比较了胶黏剂对硅酸铝纤维纸强度和耐温性能的影响，探讨了不同温度下紧度对硅酸铝纤维纸导热系数的影响。

Paper studies the practical stability of electricity market models by tools, for example, the appropriate structure Lyapunov functions, Cauchy matrix, the matrix measure, constant variation. Judging practical stability sufficient conditions and estimating formula of ultimate convergence boundary are provided. Conditions are descriptive by coefficients of models. At the same time, paper studies the Lyapunov stability of the electricity market. As well as the sufficient conditions of judging electricity market Lyapunov stability are provided. Some of conclusions improved the results of Alvarado and others. The conclusion of Lyapunov stability has made a comparative with practical results.

首次将实用稳定性理论和方法应用于电力市场稳定性的研究中，借助于构造合适的Lyapunov函数、柯西矩阵、矩阵测度、常数变易法等工具，系统研究了所建电力市场模型的实用稳定性，得到了用模型的系数来描述其实用稳定性的一系列判定条件和最终收敛边界的估计公式；同时对电力市场的Lyapunov稳定性进行了研究，得到了电力市场稳定性的若干判据，部分结论改进了Alvarado等人的结果；随后将Lyapunov稳定的结果与实用稳定进行了比较。

Bottom slab is classified by grams to select paper bottom slab paper and the size of the amboceptor line.

底版是否按产品纸张克数来选择底版纸和介线的大小。

In this paper, the investment planning of wireless network monitor system can provide a basis for decision-making for this technology industrializationIn this paper, according to advanced mature Payoff ability analytical method; rePay ability analytical method; sensitivity analytical method; Profit and loss balance analytical method, etc.

本文利用盈利能力分析法、偿债能力分析法、敏感性分析法、盈亏平衡分析法等相关方法，根据项目特点，结合调查分析资料，对目标顾客群进行细分，确定了该产品的目标市场及其营销模式；对原材料供应商进行地域和功能分析，结合国家产业导向，确定了该产品的生产组织模式；对投资规模、财务状况以及预期的投资风险进行预测，确定了该项目预期的收益和现金流，并为潜在风险提供了可行的规避办法。

Another work of this paper is to study the continuous design of Test Automation. Common aspects of continuous design include the performance and maintainability of test automation system itself, the independence of test execution, and the analyzability of test result. This paper gives the concrete resolution of above four aspects, and also proposes other aspects need to be considered in continuous design, such as extendibility in future and capability to multi-product and multi-edition.

论文的另外一个工作是对自动化测试系统的可延续性设计进行了研究，从常见的自动化测试体系本身的性能、可维护性，测试执行的独立性以及测试结果的可分析性四个方面对可延续性设计提出了具体的实施方案，另外还提出了自动化测试在未来的可扩充性、对多产品多版本的适应性等可延续性设计需要考虑的问题。

Regarding the open chain plane multibar performing mechanism as the object, this paper analyzes its establishing problem of dynamics equation from new degree, and this paper gives the new general formula to the similar velocity, similar angular velocity, inertial coefficient by turns.

文章以开式链平面连杆机构为对象，从新的角度探索分析其动力学方程的建立问题，文中依次对类速度、类角速度、惯性系数、广义力给出新的求解通式。最后用拉格朗日方程建立相应的动力学方程

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷