Several theoretical results are obtained by studying symmetric Eulerian graph and symmetric Eulerian trail.

通过对于对称欧拉图和对称欧拉路径的研究，得出了多项理论结果。

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Asymptotic stability of the solution of this system is obtained by studying spectral properties of the operator corresponding to this system.

通过研究相应算子的谱特征得到该系统解的渐近稳定性。

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The paper showed that a new super high yielding pea variety 90 PE 10. was obtained by studying of new pea varieties introduction and culture techniques.

通过对豌豆新品种引种及栽培配套技术研究，成功地筛选出超高产豌豆新品种90 - PE - 10。

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Some of the money obtained by selling licences to catch these squid has found its way back to researchers who are studying the squids' life cycles, so as to exploit them efficiently without exterminating them.

ECONOMIST: Conservation in the Falkland Islands