Rigidity and softness are two characters for knowledge-based core capability, and core capability is composed of core market capability, core technology capability and core management capability.
基于知识的企业核心能力具有“硬性”和“软性”两种特征，并表现为核心市场能力、核心技术能力和核心管理能力三个层次。
The mutual matching of rigidity from three directions between elastic ring and sensor is the core of problem of structural optimization design of piezoelectric milling force-measuring platform.
压电磨削测力平台结构优化设计的核心是弹性环与传感器三向刚度相互匹配的问题。
The design of the die adopted reasonable insert structure, which solved the problem of the slide short of strength and the die sets short of rigidity in the core-pulling process.
模具设计采用了合理的镶件结构，解决了滑块在抽芯过程中的强度不足以及模架刚性不足等问题。
The problems of large length-diameter ratio and difficult core pulling for slender pipe-shaped composite parts with poor rigidity can be solved.
解决了长径比大，刚性差细长管形复材零件抽芯困难的问题。
This paper establishes the vibratory motion equation of two kinds of core-tube suspension structure, derives rigidity matrix ;
本文针对两类核筒悬挂结构建立了振动方程，推导了刚度矩阵；
This paper establishes the vibratory motion equation of two kinds of core-tube suspension structure, derives rigidity matrix ;
本文针对两类核筒悬挂结构建立了振动方程，推导了刚度矩阵；
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