Demandolx德芒多demandn.要求；需求v.要求；查问；需要demanding real time application需求实时应用demand-deficient unemployment需求不足型失业demand collection pricing system按要求采购的定价制度demand-deficiency unemployment需要不足失业demand telecommunication service即时电信业务Demand is outstripping supply.需求快超过供给了。Demand began to exceed supply.开始供不应求。Demand Time Fence Days attribute需求时间栏天数属性demand-adjusting policy system需求调控政策体系Demand varies with the season.需求随季节而变化。