分析曲线

For the purpose to figure out location and function relations of three-dimensional syphon's unfolded curve with any bend angle, any diameter and any section, and to make integration of design and manufacturing for three dimensional big-diameter syphon, methods of engineering mathematics and analytic geometry are provided. Syphon's unfolded curve function in three-dimensional station is analyzed and built; the corresponding MATLAB procedures are compiled at the same time.

为了解决弯管在弯曲角度、直径、节数等变化时的三维弯管展平曲线的坐标位置以及函数关系问题，以实现大直径弯管的三维设计与制造的自动化、一体化，通过利用工程数学及画法解析几何的方法，分析和建立了弯管在三维状态下的展平曲线方程，同时编写了相应的MATLAB程序。

This paper analyses the tangent equation of space curve and the derivation process of the curved tangent plane equation in the higher-mathematics teaching-materials, and shows another method to extract the tangent equation of space curve.

分析高等数学教材中空间曲线的切线方程和曲面的切平面方程的推导过程，给出求空间曲线的切线方程的另一种方法。

Comparing with an exact ray trace using a computer design program for non-coaxial optical system with the theoretical third-order predictions,it is shown that the results are in good agreement.

通过ZEMAX光学设计软件像差分析功能中的垂轴像差曲线、场曲曲线和点列图加以比较，两者非常吻合，证明该理论可以对具有较大倾斜元件的非共轴光学系统设计起指导作用。

This kind of title is carrier with knowledge of linear, round conic perhaps curve mostly, the knowledge such as integrated function, inequality, triangle, series, involved intellectual feature is more, be in again check thinking ability, the knowledge that asks examinee can combine what had mastered to concern linear, round, conic curve and method, the problem that faces on or data have observation, quite, analysis, integrated, abstraction and wraparound; can use analogy, induce and deduce undertake inferential; undertake well and truly stating.

这类题目大都以直线、圆或者圆锥曲线知识为载体，综合函数、不等式、三角、数列等知识，涉及的知识点较多，重在考查思维能力，要求考生能够结合已经把握的有关直线、圆、圆锥曲线的知识和方法，对面临的新问题或资料进行观察、比较、分析、综合、抽象和概括；会用类比、归纳和演绎进行推理；能合乎逻辑地、准确地进行表述。

On system set point, we knew that raw turbidly and flow rate had remarkable effect.

通过对透光脉动检测曲线的解析，研究了检测曲线特征参数的影响因素并分析了特征参数与沉后水余浊的相关性。

A new scheme was presented to design subdivision curves by introducing three control parameters in the subdivision process. The sufficient conditions of the uniform convergence and Ck continuity of this subdivision scheme were analyzed.

通过在曲线细分过程中引入三个参数，给出一种新的细分曲线构造的算法，并利用生成多项式等方法对细分法的一致收敛性、Ck连续性进行了分析。

Through establishing frame-shear wall structure unisonous differential eguation and finding a result,the side shifting curve,moment and shear force distribution curve are obtained under inverted triangle load action onthe frame-shear wall structure.After analyzing and comparing,the range of best rigid characteristics for such structure has be gotten.

通过建立框-剪结构协同工作的微分方程及求解，得出框-剪结构在倒三角形荷载作用下的侧移曲线、弯矩、剪力分布曲线，经分析对比，得出框-剪结构最佳刚度特征值区间。

Washability curve is a basis on which coal quality analysis and design of coal preparation plant can be well performed, therefore, it is quite important to plot washability curve correctly with simple method.

可选性曲线是煤质分析和选煤厂设计的基础，因此，如何既简单又准确地画出可选性曲线显得尤为重要。

It analyses the characterization of typical type curve and the influential factor of well-test curve ,which includes non-dimensional offsetting, non-dimensional length of horizontal welk equivalency pressure point, interporosity flow coefficient, storativity ratio and the boundary condition.

分析了双重介质水平井典型曲线特征以及影响水平井试井曲线特征的因素，得到了其影响因素主要有无因次偏心距、无因次水平井长度、等价压力点、储能系数、窜流系数以及油藏的边界条件。

The curve obviously declined from the low frequency to the middle frequency section, and was reduced to zero in the high frequency section, which objectively showed the change in imaging characteristics of the eyes from the low to high frequency areas.

PSF分析系统可直接采用屈光系统MTF曲线表达人眼的成像特征，该曲线MTF值从低频至中频迅速下降，高频趋向缓和至零，定量并客观地表达了人眼成像质量从低频至高频的改变。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。