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The robust stability problem of a class of neutral singular system with nonlinear parameter perturbations is studied.

该章的结果表明，范数有界不确定性情形是该一般非线性参数摄动的一个特例。

Singular perturbations theory has been studying a variety of physical phenomena and processes irregular one important tool.

奇异摄动理论一直是研究各种各样的不规则物理现象和过程的重要工具之一。

It is also important to find out when a certain dynamic behavior is stable under small perturbations, as well as to understand the various scenarios of instability.

此外，找出给定动力系统的动力学性质在某个小扰动下何时是稳定的，以及了解不稳定性的多种方案也是很重要的。

The simulation results show that the intelligent controller has good robustness to the ship parameter perturbations and the outside disturbances.

结果表明，所设计的航向智能控制器对船舶参数摄动和扰动具有良好的鲁棒性能。

Well be stable under small perturbations of its underlying assumptions.

的假设稍151。有变化，152。便会失去它一部的作用；而153。

Perturbations of the force field will cause changes, or variations, of the displacement field .

力场的扰动要引起位移场的变化或者说变分。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。