Objective:The infection and clearance of HBV may be associated with many factor, such as virus itself factor, host genetic factor and immunity factor.

目的：HBV感染与清除，不同个体的差异可能与多种因素有关，如病毒本身的因素、宿主免疫因素和遗传因素等。

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The suitable secondary lateral stop clearance is an important factor to ensure good dynamic running performance on curve lines.

合适的二系横向止挡间隙是保证良好动态曲线通过性能的一个重要因素。

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The result shows that compared with slenderness ratio of bearing and the eccentricity of rotor, the journal clearance is the main factor influencing the trajectory and domain characteristics.

数值结果表明，同轴承长径比及转子质量偏心相比，轴颈间隙是影响系统轴心轨迹和频域特性的主要因素。

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