The research used the digital speckle correlation method to analyse the mechanical characteristics of timber with finger-joints.

该文将数字散斑相关方法应用于指接木材的力学性能分析。

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Making matters worse: people with RA can have trouble brushing and flossing because of damage to finger joints.

更糟糕的是患风湿性关节炎的人可能会因为手指关节的损伤而无法很好的清理口腔。

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And finger joints hurt with the cold air and engine vibration.

而且由于骑摩托车时双手暴露在冷空气中，再加上发动机的振动，会令手指关节痛得厉害。

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