当有径向载荷作用时， 自主式轴承能抑制轴颈位移并因此使轴承获得无穷刚度。
When radial load is applied, the active bearing can surpress the displacement of the shaft, thus obtaining an infinite stiffness.
目的：评价SPIR(用于化学位移脂肪抑制的频谱预饱和反转复位技术)与造影增强联合应用在眼眶病变判断中的作用。
Purpose: To evaluate the role of SPIR (a chemical shift fat suppression technique) in the evaluation of orbital lesions, especially when used in conjunction with contrast enhancement.
结论：健脾中药复方胃肠安具有抑制人胃癌裸小鼠原位移植瘤生长和转移的作用。
Conclusion: WCAD has the inhibiting effects on tumor growth and metastasis of gastric cancer which is orthotopic implanted onto nude mice.
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