通过衡量地铁内乘客舒适度指标“相对热指标”这一概念 ，论述了地铁站内空调温度应该是变化的 ，而不应该是定值。
The basic principle of the system nonlinearity detection based on Hilbert transform and the relative quantitative index of the nonlinearity are introduced.
本文通过车辙试验讨论了衡量沥青砼热稳性的两个指标：动稳定度和相对变形。
This paper discusses the two indexes, dynamic stability and relative deformation, that evaluate the high temperature stability of the asphalt mixture by rutting test.
针对夏热冬冷地区建筑湿环境气候特征，建立建筑潮湿气候界定的简便性指标——月平均相对湿度。
Based on the building humid climate feature for the hot summer and cold winter region, monthly mean relative humidity is used as the basic quota.
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