1) developing large scale systems
发展中大系统
1.
The author discussed basic concept and main characteristics of developing large scale systems, and studied developing large scale systems cybernetics and its application in sustainable development.
首先引入“发展中大系统”的基本概念 ,指出其主要特征 ;然后探讨发展中大系统控制问题的研究方法 ;并将发展中大系统控制论运用于可持续发展战略方法论研究之
3) evolution system
发展系统
1.
We discuss the existence results of the parabolic evolution equation d(x(t)+g(t,x(t)))/dt+A(t)x(t)=f(t,x(t)) in Banach spaces, where A(t) generates an evolution system and functions f,g are continuous.
讨论了Banach空间中抛物发展方程d(x(t) +g(t,(x) ) ) /dt +A(t)x(t) =f(t ,x(t) )的存在结果 ,这里A(t)生成一个发展系统 ,函数f,g是连续的 。
2.
We prove that the system generate an evolution system when η(t) is a continuous function and η(t)∈∨, 0<η_0η(t)M.
讨论变系数Euler-Bernoulli梁振动系统utt(x,t)+η(t)uxxxx(x,t)=0, 0
3.
A vibrating system consisting of a flexible beam controlled by a variabling velocity feedback force was studied,and the existence of evolution system for the vibrating system was proved.
文章主要讨论了一端固定另一端自由的柔性臂振动系统的端点变速度反馈控制问题,证明了变速度反馈梁振动系统生成一个发展系统。
4) System development
系统发展
1.
The system developmental theory must adapt to development trend,that the natural system and the social system change increasingly into complexity and,must attach importance to the development and construction itself.
系统发展论必须适应自然系统和社会系统日益复杂化的发展趋势,重视自身的发展和建设。
5) Evolution Systems
发展系统
1.
Optimum Control and Relaxation ForNonlinear Delay Evolution Systems;
一类非线性时滞发展系统的最优控制与松弛化(英文)
补充资料：中大
1.宋代京官候选人的别称。
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