intervalsn.间隔；间歇；间隙名词interval的复数形式.intervaln.间隔；休息时间；(数学)区间；(音乐)音程interval neural networks区间神经网络interval truss structure区间桁架结构interval algebraic curve区间隐式曲线interval judgment matrix区间判断矩阵interval of frozen pipes冻结管间距interval sampling theory区间抽样理论interval of water hammer水锤间隔时间interval linear planning区间线性规划interval valued function区间值函数interval switched system区间切换系统