分析曲线

The new algorithm satisfies four axioms of grey incidence and is consistent with the fundamental idea of curves similarity of grey incidence analysis.

理论推导证明该方法符合灰关联四公理，体现了灰关联分析中衡量曲线相似性的基本思想。

With regard to the central part, the actual state of coordinate axis is analyzed first, then the theory ofthe projection method is introduced. On the basis, the method of identifying coordinate origin ispresented.

在本文的核心部分——曲线识别中，文章首先从分析曲线图中坐标轴的分布情况出发，引出投影法，在此基础上提出了利用投影法识别坐标原点的理论。

Recently some new apparatus are developed to study thermal and photodecomposition mechanism of silver azide .

用量子化学从头计算方法(CASSCF，CI，MC CEPA，ACPF和CEPA)分析了实验结果和叠氮化银的光谱结构，描绘了叠氮化银光解的势能曲线，重新解释了其光解机理。

According to the model, the deflection and main pre-brace parameters are illustrated with the Jinsong station of the tenth line in Beijing. It demonstrates that the curve shape of theoretical result, computing result and the on-set measure result are uniform in the main and the change law is similar; that the circumferential space of pipe-roof has a optimum value while satisfying the pre-brace function; that the relation between diameter of steel pipe and flexibility of barrel vault meets negative exponential function. And the diameter of steel pipe has a optimum value.

依据该模型，以北京地铁10号线劲松车站管棚支护为例，着重对管棚的挠度和主要支护参数进行的分析表明：理论结果与计算结果和现场量测结果的曲线形状基本相同，变化规律相似；在满足预支护作用的同时，存在相对较优的管棚环向间距；钢管直径与管棚挠度之间符合负指数函数关系，管径存在最佳值。

As basic element of CAGD, representation, design, display, analysis and handle of curve and surface is main task of CAGD.

作为CAGD系统基本几何元素，自由曲线、曲面的表示、设计、显示、分析以及规格、处理(包括数据结构、数据库、图形的信息形式和调整方式等)问题，是计算机辅助几何设计的主要研究对象和内容。

First, basing on point halving, this thesis proposed a new efficient algorithm of computing kP lQ on an elliptic curve over the finite field with characteristic 2 and analyzed the computational efficiency. When the ratio I/M of inversion to multiplication cost is small, this new algorithm is about 5%～30% faster than the traditional algorithms.

首先，基于半点运算给出一种计算特征为2的有限域上椭圆曲线双标量乘法kP lQ的新算法并分析了效率，当基域上求乘法与求逆的运算时间的比值比较小时，新算法的效率比已有算法提高5％～30％。

This paper discusses the automatic test method of the assorted clearances existing in the wheel hub and the master pin, this method is realized to analysis the relation curve between the displacement and the driving power of the running wheel drived by the bearing bedplate.

本文探讨了轮毂轴承及主销的配合间隙的自动检测方法，该方法是通过分析车轮在支承台板的带动下，产生运动时的位移和驱动力关系特征曲线实现的。

A theoretical analysis method for head-flow rate curves of helico-axial multiphase pump was proposed on the basis of the basic energy equation for axial pump and Bernoulli equation.

基于轴流泵的基本能量方程式和伯努利方程，提出了螺旋轴流式多相混输泵的扬程—流量特性曲线的理论分析方法。

In allusion to the characteristic of the closed-loop track railway, the biconditional markers are arranged according to rn sequence.

针对城市轨道交通中列车在线路上循环运行的特点，在分析现有列车定位方法的基础上，提出具有封闭曲线特征轨道线路基于绝对位置编码的列车定位技术。

The train positioning technologies in urban rail transit are analyzed. According to the characteristic that train runs circularly along fixed rail track, train positioning technology based on absolute position encoding is proposed to the closed-loop track railway in urban rail transit. The single biconditional marker, whose value is 0 or 1, is placed on each position of rail track.

针对城市轨道交通中列车在线路上循环运行的特点，在分析现有列车定位方法的基础上，提出具有封闭曲线特征轨道线路基于绝对位置编码的列车定位技术。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。