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- The moment of inertia is not a simple concept. 转动惯量不是一个简单的概念。
- From this general expression, we can find the moment of inertia about an axis through any point on the rod. 由这个一般表式，我们可以求出通过棒中任一点的轴的转动惯量。
- The oscillation frequency is defined by the moment of inertia of the rotor and the toque constant of the motor. 而振荡的频率是由转子的惯性矩和电机的转矩常数所决定。
- Because of its oblate shape, the moment of inertia of the earth is a maximum about the polar axis and minimum about an axis in the equatorial plane. 由于地球是扁球体，绕极轴惯量矩最大，而绕在赤道面内的轴的惯量矩最
- A geometric property of finite lattices is derived from the moment of inertia of a system of particles about a fixed axis. 从质点系绕定轴转动的转动惯量出发，导出有限点阵的一种几何性质.
- 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。
- We calculate the sample data of A-grack corrugated paper,to discuss the influence of the moment of inertia of the paper roll on the paper's tension in this paper. 复卷机工作时,放纸卷做加速旋转运动,文中以系统运动方程为依据,并以A级瓦楞纸的相关指标为例,通过计算,讨论了放纸辊转动惯量对张力控制的影响。
- In case the height span ratio is comparatively big, the shear strain and the moment of inertia of a beam bridge must be taken into consideration under vertical seismic force. In this study,we give the vibrational solution for such a bridge. 本文对高跨比较大的梁式桥,在竖向地震作用下考虑剪切变形和转动惯量影响,来研究桥梁的振动解。
- For large curvature arch, the neutral axis does not pass through the centroidal line of the cross-section, so the moment of inertia is not consistent with the second moment of area. 大曲率拱中,截面形心轴与中性轴不重合,其截面抗弯惯性矩与不考虑曲率影响的截面面积二阶矩有一定的差别;当截面尺寸相对拱弧长来说较大时,此时拱为深拱,剪切变形的影响不能忽略。
- That is the moment of adult health. 那就是健全的成人阶段。
- The results showed that the moment of inertia, bending rigidity and Young's modulus of the stem for three varieties were all significantly affected by internode position in Milky stage. 试验结果表明：在乳熟期内，节间位置对三品种的茎秆惯性矩、弹性模量、抗弯刚度等三个指标均影响极显著；
- The moment of vain exclamations was past, too. 当然也不会再作无谓的惊呼了。
- It can be used to measure different kinds of the ammunition parameters,such as the center of mass,the centroidal deviation,the moment of inertia,the product of inertia,the dynamic unbalance and etc. 可以用来测量质心位置、质偏、转动惯量、惯性积、动不平衡度等多种参数,同时推导了相应的计算公式,并利用样机进行了实际测量,测量结果表明该方法是有效和可行的,且具有快速、高效、高精度等特点。
- The so-called lunisolar precession is caused by the inequality of the moments of inertia of the earth. 所谓日月岁差，是由于地球转动惯量的不相等造成的。
- The moment of decision had arrived. 决策的时刻已经到了。
- Try to be calm in the moment of danger. 遇到危险时,应保持冷静。
- The moments of inertia about axial or radial for the unsymmetrical rotors in axial can be measured reliably by using these pendulums without any special fixtures. 利用这两种摆可以测定沿轴向不对称分布转子绕轴向与绕径向的转动惯量，而且不用任何夹具。
- At the moment of meeting, parting begins. 相识之初便是分离之始。
- The MIMS then performs a series of orthogonal dynamic rotation tests to determine the moments of inertia about a set of orthogonal axes passing through the CG. MIMS进行一系列直交动态转动试验，决定一系列直交轴通过中心的惯性力矩。
- Now came the moment of decision. 评判的时候到了。
