摘要： 研究了一类非仿射的纯反馈单输入单输出非线性系统。

Abstract : A class of nonlinear non-affine pure-feedback SISO systems with unknown nonlinear functions are investigated.

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建立仿射不变的形状相似性度量是模式识别、计算机视觉和图象理解领域中的基本问题之一。

Establishing affine invariant similarity measure of shapes is one of the basic problems in pattern recognition, computer vision and image understanding domains.

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