本方法主要针对定位容易出现错误的外边界，利用虹膜的结构特征和数学手段，对得到的虹膜外边界点进行验证，必要时通过计算得到准确的外边界点。
To the iris' outer boundary, we use the feature of the iris' structure and mathematical means to verify whether the iris outer boundary points are correct, and calculate the correct ones if necessary.
利用现代教学手段进行数学教学具有深刻的现实意义。
It is full of deep and realistic significance to conduct mathematics teaching making use of modern medium.
在充分考虑数学教学的目的性以及教学手段的相宜性基础上，对利用MCAI技术辅助数学教学进行了有益的探索。
The paper attempts to study mathematics teaching assisted by MCAI on the basis of the object of the course and the appropriateness of the teaching methods.
提出了一种利用平板静力载荷试验、动力触探、地基动刚度测试三种基本手段，建立相关数学模型，主要应用后两种手段进行联合检测的新思路。
In this paper, a new detection approach to jointly use static plate loading test, dynamic penetration test and dynamic rigidity test and to establish associated mathematic model is proposed.
化学计量学利用数学方法对复杂重叠信号进行解析，为复杂样品的色谱分析提供了新的手段。
Chemometrics, which USES mathematical tools to deal with the overlapping analytical signals, provides alternative approaches for the resolution of overlapping chromatographic signals.
建立了叶片偏心设置旋叶式压缩机的数学模型，并利用编程手段对其进行了动力分析；
This paper studies the rotary vane compressor of eccentric vane tip, mathematical model is established for the rotary vane compressor and dynamical analysis is carried on by computer program;
建立了叶片偏心设置旋叶式压缩机的数学模型，并利用编程手段对其进行了动力分析；
This paper studies the rotary vane compressor of eccentric vane tip, mathematical model is established for the rotary vane compressor and dynamical analysis is carried on by computer program;
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