曲线

With Eulerian formulation the partial differential equations of curve evolution are given and the two curves will stop on the desired boundary.

利用欧拉公式，得到曲线演化的偏微分方程。那两条曲线将在想得到的边界停止。

A differential polarization curve method and its application in the investigation of the anodic desorption behaviors of interface corrosion inhibitor were proposed and expounded.

提出对半对数极化曲线进行微分的方法，得到的微分极化曲线及其特征参数可以更精细地表征缓蚀剂的阳极脱附行为

If the measurement data are demarcated, the acceleration curve can also be calculated by solving the second order differential coefficient of measurement curve.

如果对测量值进行标定，还可以通过对测量值曲线求二次导数得到振源的加速度曲线。

The centerline of elastic rod or elastic filament can be abstracted as space curves to deal with them by the knowledge of the theory of space curve and differential geometry.

由于弹性杆的中心线或弹性细丝可以抽象成空间曲线，然后根据空间曲线论和微分几何的知识进行处理。

Based on theσs1/8 -T curve and X-ray diffraction analysis, the changes in volume fraction,saturation magnetization and Curie temperature of α-Fe phase and residual amorphous phase with annealing temperatures as well as the correlation between them were determined.

研究了Fe(72.7)Cu1Nb2V(1.8)Si(13.5)B9非晶合金在不同温度（763—883K）退火1h后的热磁曲线借助于碰分析的方法，由σs1/B－T曲线并通过X射线衍射分析确定了合金中α－Fe相和剩余非晶相的体积分数、饱和磁化强度及Curie温度随退火温度Ta的变化及其相互关系。

It is found that there exists an obvious prepeak in the low-Q domain (Q=15.7 nm^-^1) of the structure factor. In the X-diffraction pattern, the liquid diffraction curve is corresponding with the solid diffraction curve. There exist the prepeaks for them in the low-Q domain, which shows that there is the comparability in the microstructure between them.

采用紧束缚原子间作用势，利用分子动力学模拟的方法研究了Al5Fe2合金熔体的微观结构，发现在结构因子的小角部分(Q=15.7nm^-^1)出现了一个明显的预峰，并得到X射线衍射实验的进一步印证，在实验测得的合金衍射图样中，液态衍射曲线与固态衍射曲线间存在着很好的对应关系，它们在小角部分都存在峰位，这表明Al5Fe2合金熔体与其固态在结构上存在着很大的相似性。

An empirical formula, r~x~-~y=0.618λ/sinθ, has been applied to carry out qualitatively structural analysis of the diffraction curve, and another r~x~-~y=7. 766/s to calculate the interatomic distance of some strong peaks from the reduced intensity curve.

用经验公式r~x~-~y=0.618λ/sinθ进行溶液衍射曲线I-θ定性结构的分析，而用另一经验公式r~x~-~y=7.766/s计算加权结构函数曲线s·i-s上某些强峰的原子间距。

For these two effective focal lengths, the spots on the image surface at zero view field, 0.7-view field and full view field are all inside the airy disc. The system MTF curve of each effective focal length are accordance with the corresponding diffraction limits curve. The biggest wave aberration is smaller than 1/4 wave lengths. The maximum field curvature and maximum f-theta system distortion respectively satisfies the precision demand of the laser marking machine in China.

系统像面在0视场、0.7视场和全视场的光斑都落在相应的爱里斑以内，系统的MTF曲线接近相应的衍射极限曲线，最大波像差小于四分之一波长，系统的最大场曲和最大f-theta相对畸变都很好地满足了国内激光打标机的精度要求。

The surface generated by a straight line intersecting and moving along a closed plane curve, the directrix, while remaining parallel to a fixed straight line that is not on or parallel to the plane of the directrix.

柱面一条直线与一个封闭的平面曲线相交及沿着平面曲线移动所形成的平面，准线则与一个不在此准线平面上或者不与此准线平面平行的固定直线保持平行

ECC is set up on the basis of solving this mathematics difficult problem of the Elliptic Curve Discrete Logarithm Problem.

椭圆曲线密码体制建立在解椭圆曲线离散对数问题这一数学难题的基础上。

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％。