principal moment of inertia

英 [ˈprɪnsəpl ˈməʊmənt ɒv ɪˈnɜːʃə]

美 [ˈprɪnsəpl ˈmoʊmənt əv ɪˈnɜːrʃə]

网络主惯性矩; 主转动惯量

First, we used the principal component analysis to determine the initial axis of symmetry, and then combined the moment of inertia to further pinpoint the accurate symmetry-axis linear equation.
首先，利用主元分析法初步确定对称轴；然后结合转动惯量法进一步精确定位对称轴直线方程；
In order to obtain independent representations on viewpoint, the three principal axes of the object should be found frm the moment of inertia matrix by computing its eigenvectors.
为了得到独立于观察点的表示，应通过计算惯量矩阵的特征向量确定客体的三个主轴。
A simple method for principal axses and principal moment of inertia of are is presented.
介绍了确定主轴、主惯性矩的简单方法。
Change of components of inertia tensors in rotation of coordinates and calculation of principal moment of inertia is particularly complicated. MOHR'S CIRCLE AND AXIS MOMENTS OF INERTIA, INERTIAL PRODUCT
其中惯性矩、惯性积的转轴公式以及主惯性轴和主惯性矩的计算尤为复杂，在教学过程中，是学生学习的难点内容之一.莫尔圆与轴转动惯量、惯性积
Simple Method to Identify the Direction of the Maximum Principal Moment of Inertia
判定最大主惯矩的简便方法