查询词典 analytical curve

First, the paper introduces the moving coordinate system based on the curve tangent vector and the curvature component vectors. Next, the total curvature vector is composed and the osculating plane determined in the moving coordinate system. The curve bending is then calculated and the recursion analysis made on the osculating plane.

鉴于空间曲线上曲率采集面的变化，引入了由曲线切向量和曲率分量决定的运动坐标系，接着在运动坐标系中合成曲率矢量，确定密切平面，然后在密切平面中对曲线进行弯曲计算和运动坐标系的变换分析，并对相关公式进行了推导。

Through analyzing the existent methods for solving the intersection point coordinate of straight line and highway curve ,combined with the general mathematical model for highway curve ,a general solution model for the intersection point coordinate is given.

通过对现有的直线与线路曲线交点坐标解算方法的分析，结合线路曲线的统一数学模型，给出了直线与线路曲线交点坐标的统一解算模型。

The curve of education is positively correlated with the curve of economy.

教育曲线与经济曲线有显著的正相关。

The standard curve of correlation between membrane surface and fluorescence intensity of FPE was obtained by acid titration. The membrane surface pH was measured according to this curve.

在不影响膜结构的条件下，利用微量TritonX－100消除膜表面与介质之间的质子浓度差，通过酸滴定实验，能够得到膜表面pH与FPE荧光强度之间的相关曲线。

The correlation curve between FPAR and differential coefficient varied more frequently and greatly than the curve of FPAR and reflectance.

FPAR与典型单波段反射率和一阶导数具有较好拟合关系，确定性系数分别高达0.791和0.882。

The result reveales that there is a curve correlation between the heart uptake and the dipole moment and the acme of the curve may be inferably in the range from .

根据计算结果对该类配合物的心肌摄取机制进行了讨论。

We suggest that instead of the general α0.5-V curve the α0-V curve be used to determine the fiber parameters, where α0, and α0.5 are respectively the angles corresponding to the first minimum and the main lobe half power point of the radiation pattern.

此外，还研究了平面检测器探测球面波束以及用"两点法"测量角宽等问题。实验中，建立了两套测量系统，在O.63μm与1.32μm波长处，测量了单模光纤参数，给出了实验结果，并与其它方法的测量结果作了比对。

This is a painting sine and cosine curve curve contro...

这是一个画正弦曲线和余弦曲线控制图，请大家自己去运行一下，还比较好的。

Through theoretical analysis and experiment simulation, transmission effect in trapezoid wire winding curve and the double cosine half-wave speed rule curve is researched. And the wire winding algorithm of single cosine half-wave is proposed.

通过理论分析和实验仿真的方法，深入研究梯形走线规律曲线和双余弦半波速度规律曲线的传动效果，提出单余弦半波走线算法。

At present the camber process system is more advanced in china. We imported servo-drive equipment with digital control system , greatly improved our process precision, can produce multi-curve camber such as cosine curve. The process ability is up to 680mm in diameter and 10m in length.

该系统是目前国内较为先进的胶辊中高加工设备，采用进口数控系统和高精度的伺服驱动设备，使加工精度大大提高，可加工如余弦曲线等多种曲线中高，加工能力为直径680mm，长度10000mm。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。