分析曲线

Our result is not equivlent to the one in[6],that shows the condition for the cubic curve homoclinic cycle of quadratic system in[6]isnot complete.

我们详细地分析了对应系统的动力性质，一些复杂的分枝曲线的计算借助于计算机的编程来解决。

The influence of least squares curve fitting algorithm to the result of measurement has been analyzed too.

并分析了最小二乘曲线拟合谱线的线宽对测量线宽的影响。

Through regression analysis of models, this model proved to have good curve fitting characteristics, relatively high precision models.

通过对模型进行回归分析，证明该模型具有良好的曲线拟合特性，模型精度较高。

It has built-in programs for solving differential equations, curve fitting, and signal analysis.

其中有内建的程式可以解微分方程、曲线拟合、及信号分析。

Using stalistic analysis and curve fitting, the correlation between compression strength and temperature was established.

利用统计分析与曲线拟合，得出了抗压强度与温度间的相关关系。

Under this situation, sparse signal expansion theories, a kind of new multiscale analysis theory that has been developed in recent years, possess a better performance in detecting the singularities of the signal with straight line or curve in high dimensional space and can be used to express signals with sparse coefficients.

而稀疏信号表示理论是近几年发展起来的一类新的多尺度分析方法，它们对高维空间中具有直线或曲线奇异性信号具有良好的检测性能，可以用稀疏的系数来表示原信号。

The vibration of drilling string in horizontal well is closely related with the overall length of the drill string and structural shape. In this paper ,a mechanical model of longitudinal vibration of drill strings is established by studying the overall drilling string,seeing a hole as arbitrary bending curve in three-dimensional space.

本文以整体钻柱为研究对象，将井眼视为一条可以任意弯曲的三维空间曲线，建立了水平井钻柱纵向振动分析的力学模型。

Engineering part was not involved in. Applicability of growth curve was studied in demand analysis.

在需求分析中探讨了生长曲线预测方法的适用性。

It is feasible to analyze and fit the growth curve of the Tibetan chicken using the three models.

运用3种模型对藏鸡进行生长曲线的拟合和分析是可行的，对及时了解藏鸡的生长发育规律提供了参考。

Then the indifference curve theory was introduced to analysis wind power integrated system reliability and economy.

接着引入无差异曲线理论对并入风电的系统可靠性与经济性进行分析。

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％。