From Chapter 3 to Chapter 6, the center-focus determination and bifurcation of the equator are studied for real planar odd polynomial differential systems.
在第三章至第六章，我们研究实平面奇数次多项式微分系统无穷远点(赤道)的中心焦点判定与赤道极限环分支。
The principles for selecting polynomial under situations of single bit error, two isolated bit error, odd bit error and burst errors are presented.
提出单个比特错误、两个比特错误、奇数个比特错误和并发错误四种情况下选择多项式的原则。
By studying the properties of second specie of Chbyshev polynomial, a group of identities and an inference of the second specie odd-suffixed Chebyshev polyinomials are obtained.
研究了第二类契贝谢夫多项式的性质，给出了奇下标第二类契贝谢夫多项式的一组恒等式及一个推论。
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