To discover performance advantages of modified elliptical bearing, traditional elliptical bearing and cylinder bearing are compared with it under same conditions.

为认识改进型椭圆轴承的性能特点，将其与传统椭圆轴承、圆柱轴承在相同条件下进行了性能对比以发现其优越性。

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In this paper, the influence of installational displacement on the static and dynamic characteristics of the elliptical bearing is analyzed by the numerical calculation method.

本文借助数值计算方法分析了安装错位对椭圆轴承静动特性的影响。

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For cardiovascular exercise, weight-bearing, higher-impact activities such as walking, jogging and aerobics are better than nonweight-bearing or lower-impact exercise such as swimming, cycling and elliptical machines, which put less strain on your muscles and bones.

CNN: How much weight is needed to strengthen my bones?