The Chinese also launched weather balloons near their theodolites to measure atmospheric temperature and pressure changes to better estimate refraction errors.
中国还在经纬仪附近发射了气象气球来测量大气温度和压力变化，以更好地估计折射误差。
New research from the US found that severe headaches such as migraine were linked to changes in weather, particularly to increased ambient temperature and to a lesser extent lower barometric pressure.
来自美国的新研究发现严重的头痛比如偏头痛和季节有联系，特别是周围环境温度增加和较小程度气压降低的情况下。
Changes in temperature and pressure often cause a substance to change from one state into another.
温度和压力的变化往往使物质从一种状态变为另一种状态。
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