The NWS Web site features a handy on-line calculator for determining the heat index based on a combination of either temperature and relative humidity or temperature and dew point.
According to the relativeindex of temperature and salinity, the modified water-masses are divided into nine different characteristic parts.
根据温、盐相对指标，将这些水团分为九种不同的特征。
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The analysis indicates: the load amenity index ratio curve is very stable in all axis range, this indicates amenity index can better reflect the change of power load relative to temperature.