The global stability problem of limit cycles for decentralized relay feedback systems is studied.

研究了分散继电反馈系统极限环的全局稳定性问题。

youdao

World Bank economist Louis Kuijs says he is not too concerned by strikes and says he does not see any signs that the industrial unrest will become a major problem for either social stability or for the Chinese and global economies.

VOA: standard.2010.06.24