径向载荷的变化对轴承径向刚度的影响可以忽略。
The effect of radial load to radial stiffness can be neglected.
在振动试验机上测试轿车子午线轮胎的静态径向刚度。
The static radial stiffness of PCR tire was measured with a vibration tester.
结果表明，轮胎的径向刚度随气压的升高而增大，轮胎结构的变化对径向刚度影响不大。
The results showed that the static radial stiffness increased with the inflation pressure, and the changes of the studied tire construction parameters had little effect on the static radial stiffness.
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