您要查找的是不是：
- central principal axis of inertia 中心惯性轴
- 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。
- Confirming Principal Axis of Inertia of Rigid Body by Analytic Approach 用分析法确定刚体的惯量主轴
- centroidal principal axes of inertia 重心诌性轴
- principal axis of inertia 惯量主轴
- Moment of inertia: turning around its axis of symmetry, object has the character keeping speed and the direction of the axis of rotation not changing. 转动惯性:物体在绕着自己的对称轴转动时,具有保持转速和转动轴方向不变的性质。
- SAF-t is the principal axis of the hinge-cylinder operation gear planetary motion so that the tool axis exesting self-rotating up to 20 percent, and the revolution. 折刀的主轴是靠折页滚筒操作齿轮做行星运动，这样折刀轴既有自转，又有公转。
- Dynamic equilibrium: if the axis of rotation of the rigid body is the principle axis of inertia, the additional dynamic reaction force of the bearing is zero. 静平衡：刚体转轴过质心，则刚体在仅受重力而不受其它主动力时，不论位置如何，总能平衡。
- Some further thoughts on the center inertia principal axis of a rigid body 论刚体的中心惯量主轴
- AB-DW16C is the master for AB-DW16D.It used principal axis of pattern bender to transfer power, and it have angle bending device, small round spring bend device and are bending device three parts. 该机是以AB-DW16C型电动弯花机为机体，通过电动弯花机主轴传递动力，配置弯圆弧机构、折角机构和弯小圆弹簧机构，构成AB-DW16D全能型程控弯花机。
- Ideas of inertia and complacency are both wrong. 无所作为和骄傲自满的论点都是错误的。
- I get a feeling of inertia in a hot summer day. 在盛夏我有一种懒洋洋的感觉。
- I'm unable to throw off this feeling of inertia. 我无法摆脱这种懒散的感觉。
- The axis of a circle is its diameter. 圆的轴线是其直径。
- I get a feeling of inertia on a hot summer day. 在盛夏我有一种懒洋洋的感觉。
- The Principal Axis of Intertia by Using the Rotational Inertia of Uniform Revolutional Circular Cone is Given as a Special Example 惯量主轴在计算均质刚体转动惯量的应用
- wide average height of inertia axis of cell 广义单元平均中性轴高度
- For semi-rigid models of the special structures,the fundamental frequencies in the directions of the principal axes of the models are still in or near the frequency range of wind load spectra. 对于频率不够高的半刚性模型,其一阶振型频率处于结构荷载谱频带以内,因而共振作用比较明显,对结构动力荷载的影响不可忽视。
- The moment of inertia is not a simple concept. 转动惯量不是一个简单的概念。
- The main axis of a compound leaf. 复叶的主轴。
