We study about the approximate controllability of an abstract semilinear control system. By introducing a new sufficient condition, we proved the approximate controllability of the system.
讨论一类抽象半线性控制系统，引入新的充分条件，并证明该系统的近似可控制性。
The study on the mixed system of meat - ISP showed a new type of protein was formed at about 60C with the interaction between the two proteins.
利用重合度的连续性定理，研究了一类多种群脉冲混合系统正周期解的存在性，得到了该系统存在正周期解的充分判据。
The study is about key array antenna process theory and technology of the new system radar based on orthogonal signal.
本文主要是在基于正交信号的新雷达体制下，研究其关键的空域处理技术。
The study is about key array antenna process theory and technology of the new system radar based on orthogonal signal.
本文主要是在基于正交信号的新雷达体制下，研究其关键的空域处理技术。
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