utility cow次级母牛
utilityn.效用;实用;公用事业(费);[计]应用程序adj.多效用的;多功能的
utility flmction model效用函数模型
utility tape processor[计] 应用磁带处理机
Utility Night Observer夜间通用观察器
utility and aesthetics功利与审美
Utility Data Reduction实用数据简缩变换
utility classification功用分类
utility and efficiency功利效用
utility decision model效用决策模型
utility value of water水的效用价值
utility lalented person应用型人才