Several Parties (Bulgaria, European Community, Germany, United States) highlighted that degree-days can serve as an additional indicator for the energy sector, since it reflects the energy needs for space heating.
若干缔约方(保加利亚、欧洲共同体、德国、美国)强调度－日可作为能源部门的另一个指标，它能反映室内供暖的能源需求。