The effective temperature of air is dependent upon() Ⅰ.relative humidity Ⅱ.air velocity
A.Ⅰonly B.Ⅱonly C.Both Ⅰand Ⅱ D.NeitherⅠnor Ⅱ
A.lowest absolute humidity B.lowest relative humidity C.highest absolute humidity D.highest relative humidity
A.dry bulb temperature B.wet bulb temperature C.dew point D.dry point