分析曲线

Taking the reflective phase hologram grating as an example, the spectral properties of the gratings were analyzed, for recording material with refractivity modulated in the convex curve and concave curve, by the coupled-wave theory.

以反射相位型全息光栅为例，用耦合波理论分析计算了记录介质折射率调制为上凸型和下凹型调制曲线的体全息图的衍射光谱特性。

Effects of parameters of the asphalt concrete on behaviors of core wall are analyzed.

采用双曲函数与幂函数结合的模式拟合沥青混凝土的三轴蠕变试验曲线，对大坝进行蠕变分析。

Two projective line pencils take shape curve of seeond order,which can help ua to determine all kinds of type of curve of second order what is in two concurrent affine planes.

对二射影对应线束形成二阶曲线的图形分析，可以帮助我们用作图法确定共面的二仿射平面场对应线束形成的二阶曲类

And it isconcluded that electric heating oil production should be applied in low water bearing wells,the liquid supply ability of high condensation point and high waxy oil wells can be less than 40m 3/d,and the liquid supply ability of viscous crude oil wells should be more than that.

通过对各类井筒温度分布曲线的综合分析得出：在电加热工艺选井方面，对高凝、高含蜡油井，应选择液量在 4 0 m3/ d以下且含水较低的井；而对于稠油井应选择供液能力较好且含水较低的井。

We will take the conic section teaching for an example as followed.

文章以圆锥曲线教学为例进行探讨和分析。

A typical 3-RPS parallel platform manipulator mechanism is firstly studied by means of the above theory. The principal screws of this mechanism under three different configurations are identified by means of the conic section and the quadric degenerating theory, respectively.

以上述理论为武器首先分析典型的3-RPS并联平台机构，分别应用二次曲线分解理论和二次曲面分解理论，识别了该机构在三种位形下的主螺旋。

Third part:"Program" and "Standard" in conic partial comparisons and analysis.

第三部分：《大纲》与《标准》在圆锥曲线部分的比较与分析。

The main comparison "Program" and "Standard" center to the conic request, as well as the contrast analyzes their difference

主要比较《大纲》与《标准》中对圆锥曲线的要求，以及对比分析它们的区别。

The parallel-connection and variable-speed operation characters of the centrifugal pump groups are studied by conics fitting of the character curves in the high efficiency area.

通过对离心式水泵高效工作区的性能曲线进行二次拟合，分析了离心式水泵机组并联调速运行特性。

The analysis of the curves of Ⅰ and Ⅰ indicates that Ⅰ in the three regions is related to the 1970s' transition of Pacific Decadal Oscillation, and the significant negative anomaly of Ⅰ in North China is contemporaneously close related to strong El Nino events.

对Ⅰ、Ⅰ曲线的分析表明，3个区域Ⅰ均表现出与太平洋年代际振荡20世纪70年代的转折有关的相关关系，华北区域Ⅰ的显著偏少与强El Nino事件的同时性关系密切。

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％。