The feature vector in the algorithm is RST invariant, which makes the feature matching operate directly on the image having geometry switch.

提出一种快速、有效的图家匹配算法，算法中采用的特征矢量具有RST不变性，可以对发生仿射变换的图象直接进行特征匹配。

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The displacement vector for surface relief was determined to be near the invariant line direction using electron back scattering diffraction method.

本工作应用背散射电子衍射技术测得产生浮突的位移在不变线方向附近。

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This paper discusses time-domain method of designing observers for linear functions of the state vector of the continuous, linear, time-invariant, MIMO systems.

本文讨论为连续线性时不变多输入多输出系统设计多线性函数观测器的时域方法。

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So the components of the vector are not invariant characterizations of the vector.

矢量的两个分量,并不是一成不变的

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So the components of vector are not invariant.

因此矢量的分量不是一成不变的

耶鲁公开课 - 基础物理课程节选