The study of an exponentially stable character of perturbed system at the pointofequilibrium;
主要讨论了一类扰动系统的指数稳定性问题 。
2
Under certain conditions, the ratio between profit dedication and advertising cost should be equal to the pointofequilibrium of advertising investment.
在一定条件下,利润贡献与广告成本的比值等于广告投入保本点的销售量。
3
The suspension strut system no more than two types ofequilibrium stability: the first branch pointof balance between stability and the second extreme pointofequilibrium and stability.