证明了极限环和周期解的存在性。
用差分法证明了其周期解的存在性;
The existence of periodical solutions is proved by the difference method;
本文讨论渐近线性强迫波方程周期解的存在性。
In this paper we discuss the existence of solution of an asymptotically linear wave equation.
最后,给出解相位整周期性模糊的方法。
Finally, the removal method of cyclic ambiguity is presented.
最后,给出解相位整周期性模糊的方法。
Finally, the removal method of cyclic ambiguity is presented.
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