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- central principal axis of inertia 中心惯性轴
- central principal axis 重心惯性主轴
- 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。
- 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；
- The Primitivism is the exceptional one;its central principal is influential to other painting schools from Post-Impressionism, Fauvism to Cubism. 惟原始主义的中心主轴在绘画界持续影响著不同的画派，从后印象派、野兽派到立体派均可见其踪迹。
- Also, a dynamic measurement method of Young's modulus in principal axis direction for alaminae with orth-woven fibers was presented. 为说明动态法的有效性，作者还进行了铝合金板材弹性模量和泊松比的动态和静态测试。
- Nonlinear principal axis mapping (NPAM) method is proposed to express high-dimensional design space in two or three dimensional space. 摘要为在二维或三维空间中表达固体火箭发动机高维设计空间，引入非线性主轴降维映射法对多维非线性设计优化问题进行降维处理。
- The uniform intensity of NUP beams becomes non-uniform with a central principal maximum and small diffraction side lobes after passing through the aperture. 初始为均匀分布的光强通过光阑后变为具有中心主极大和小衍射旁瓣的非均匀分布。
- The main body partial first floors are built on stilts, such processing enabled the campus principal axis to obtain extends, increased the spatial level. 主体部分的第一层是建立在高跷，例如加工，使校园主轴，以获得延伸，增加空间的水平。
- By improving the method of cutting and the means of heat treatment of the principal axis,the quality and accuracy of the R20 cathode bobbin making machine was improved. 可通过改进主轴的切削方式和热处理方法,达到提高R20电芯成型机质量和精度的目的。
- 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。
- 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。
- The effects of ground microtremor to the stability of the soil, and the relationship to the stability of the soil and principal axis have also been studied. 本文研究了土介质的各向异性对土动力特性的影响，研究了场地微动对土体稳定性的影响及其与各向异性主轴的关系。
- This rotation can be simplified by plotting the positions of the principal sections and principal axis on a stereographic net as deseribed by Jessop and Wells from the rotations recorded. 按照杰索普和威尔士所论述的方法，根据记录下来的转动角，把主截面和主轴的位置画到一个极射赤平投影网上，可使上述过程简化。
- The vibrancy aroused by imbalance will prick up if only the optical disc exits eccentricity quality when principal axis motor rotated at so high speed. It is very difficult for optical head to focus and follow track. 在如此高的转速下,只要光盘有一点偏心质量存在,不平衡量所造成的振动就会加剧,给光学头的聚焦和循轨造成极大的困难。
- central principal moment of inertia 中心主惯性矩
- This rotation can be simplified by plotting the positions of the principal sections and principal axis on a stereographic net as described by Jessop and Wells from the rotations recorded. 按照杰索普和威尔士所论述的方法,根据记录下来的转动角,把主截面和主轴的位置画到一个极射赤平投影网上,可使上述过程简化。
- central principal moments of inertia 中心主惯性矩
