Spindle bearing on the stability of operation in direct influence on the processing quality, once the spindle rotation precision decrease of the machine tool use value will be low.
主轴在轴承上运转的平稳性直接影响工件的加工质量，一旦主轴的旋转精度降低，则机床的使用价值就会降低。
This method takes the matrix resolving as a tool, combined with criterion of progressive stability and determines the equilibrium point by stability of matrix resolving.
这种方法以矩阵分解为工具，结合平衡点的渐近稳定判据，用分解矩阵的稳定性决定平衡点的全局渐近稳定性。
Conclusion the in vitro granuloma reaction possesses in sensitivity and stability and the model may become the useful tool for elucidating mechanisms of granulomatous inflammation.
结论体外肉芽肿反应具有较好的敏感性和稳定性，可作为研究肉芽肿性炎症反应发生机制的有效手段。
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