指出，在台风周围流场较弱时，台风原地打转和出现“疑难路径”是由台风本身固有的动力特性决定的。
It is pointed out that when steering flow of typhoon is weak, the looping and unpredictable motion of a typhoon is dependent on its own inherent dynamic nature.
其基本思想是：结构在承受动态载荷的作用时，其应变场可用所谓“固有的模态应变场”按某种比例的叠加来表达。
The basic idea is that the strain field response can be regard as a superposition of the so called strain modes multiplied by corresponding time-dependent modal coordinate.
分析了传统人工势场法中的固有缺陷：目标不可达；在障碍物附近或通过狭小通道时的抖动问题。
The limitations of classical artificial potential field are GNRON and the chattering phenomenon when mobile robot moves near the obstacle or pass through the narrow space.
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