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- Principal Axes Analysis 主轴分析
- Principal axes analyses on population genetic differentiation of Plantago asiatica in Zhejiang 种群遗传分化的主座标分析
- principal axis analysis 主轴分析法
- B. and Casabarian , A.O., “Effect of Rotation of Principal Axes and of the Intermediate Principal Stress on Shear Strength “ Proc. 6th Int. 以个别元素法探讨卵砾石堆积之力学性质&%23251;
- The results reveal that there exists something like a pair of weak principal axes in the fiber, whose location may drift because of temperature change. 结果发现，当注入线偏振光时，扭转光纤环内存在一个弱主轴，并且其方向会随着温度的变化而偏移；
- 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。
- This paper analyzed the effects of the radial runout error by principal axes on the error shape of formed workpiece based on the serial analytic geometry. 本文所述内容是从空间解析几何角度来分析主轴径向跳动误差对加工工件形成的误差形状。
- This system has high accuracy of measurement, high automatization and can be easy to be operated by measuring the mode field diameter of the PMF two principal axes. 并通过两种典型的保偏光纤两个主轴的模场直径的测量实验证明该测试系统具有测量精度高、自动化程度高和操作简单等特点，在保偏光纤对轴、熔接等领域有一定参考意义。
- To the boundary condition: The different principal axis rotating speed, the different lubricant sport glues degree, different beforehand tight force to do an analysis. 对边界条件：不同主轴转速，不同的润滑油运动粘度，不同的预紧力进行有限元分析。
- From the development of medical image registration method through the world,we find that principal axes and centroid based method has many good points to coarse match in combine registration method. 根据当前国内外医学图像配准技术的发展现状,发现主轴质心法作为混合配准算法中的粗匹配算法,具有速度快、鲁棒性相对较高,易实现等优点。
- 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。
- A great deal of theoretical and practical researches have indicated, there exist fatigue destruction in the fillet transition places from cranks to principal axes and connecting rods. 大量理论研究和实践表明，曲轴的疲劳破坏大多发生在曲柄与主轴颈、连杆轴颈的过渡圆角处。
- Main products: bearing bracket , principal axis, gearbox and Generator etc. 主要产品：轴承座、主轴、齿轮箱、发电机等。
- centroidal principal axes of inertia 重心诌性轴
- principal axes and centroid based method 主轴质心法
- transformation to principal axes 轴变换
- the principal axes of elasticity 弹性主轴
- Fix a disk in being measured an electrical engineering principal axis while measuring, beat eyelet on the edge of disk. 红外光被挡住时接收管截止，输出高电平。用计数器记录在一定时间内传感器发出的脉冲个数就可以计算出电机转速。
- The topic of this graduation design drills a bed principal axis path to drill a tongs design toward the bore. 本次毕业设计的课题是钻床主轴径向孔钻夹具设计。
- Based on research of lube leakage of the vertical turbine principal axis, the leakage reason is analyzed. 摘要针对立式水轮发电机轴承的漏油问题，分析了产生漏油的原因；
