全球平均气温的汇总数据共有三种，每一种都是基于成千上万个温度计的读数来计算的，这些温度计分布在各个气候站中和轮船的夹板上，它们的读数可以追溯到150年前的气温。

There are three compilations of mean global temperatures, each one based on readings from thousands of thermometers, kept in weather stations and aboard ships, going back over 150 years.

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夹板固定后到实施专业治疗前，须持续检查受伤肢体的血液循环情况。

After splinting is completed and on a continuing basis until professionally treated, check circulation in the affected extremities.

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夹板固定后到实施专业治疗前，须持续检查受伤肢体的血液循环情况。

After splinting is completed and on a continuing basis until professionally treated, check circulation in the affected extremities.

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