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1·It is the first time that 7 limit cycles can bifurcated from the infinity for a class of quasi quintic system.

首次证明了拟五次多项式系统在无穷远点能分支出7个极限环。

2·In this paper, the problem of limit cycles bifurcated from the equator for a quintic polynomial system is investigated.

本文研究一类五次平面多项式系统赤道极限环分支问题。

3·Although spline curves are applied widely, but the research on the algorithms of quintic spline interpolation is little.

虽然样条曲线具有广泛的应用，但对五次样条插值算法的研究却很少。

4·Based on the curve of quintic polynomial, the take-up CAM is designed, and the method of optimized design is presented in this paper.

利用五次多项式曲线对挑线凸轮进行了设计；并根据刺绣机的特殊要求，提出了刺绣机最优化设计方法。

5·Load distribution of axial fan along to the blade and blade height is put forward according to dynamic design method of quintic equation.

提出了轴流通风机沿叶片叶高的载荷分布，按五次方流型设计的方法。

6·At the same time, the center conditions and bifurcation of limit cycles at the origin of the quintic polynomial system are also investigated.

同时还研究了一类五次系统原点的中心条件及在同步扰动下原点与无穷远点的极限环分支问题。

7·A algorithm to reconstruct the corner with quintic spline curves was proposed for improving cutter's motion stability and transition velocity.

为提高裁刀拐角过渡速度及获得良好的运动平稳性，提出五次样条曲线拐角重构算法。

8·When the initial chirp of the pulse is of same (opposite) sign as that of quintic nonlinearity coefficient, the whole chirp increases (decreases).

当预啁啾与五阶非线性系数同(异)号时，总啁啾增加(减小)。

9·This paper present a sufficient and necessary condition of constructing quintic PH curves and analyze the geometric meaning of the control polygon.

本文给出了构成五次PH曲线的充要条件，分析了其控制多边形的几何意义。

10·The condition and power gain spectra of modulation instability induced by the cross-phase modulation in the case of cubic-quintic nonlinearity are analyzed.

分析了三、五阶非线性共存时的交叉相位调制不稳定条件和增益谱。