单词	delta operator
释义	delta operator δ算符
随便看	tdhc tdh (total dynamic head) TDI TDIC T-die tdie TDIG T-dike TDIM T-dimension TDIO (timing data input-output) T-direction T distance ratio t-distribution t distribution TDI (telecommunication data interface) TDJD tdk TDL tdlb TDLD TDLN TDLO TD-LTE TDL (test and diagnostic language) 萝卜雕宝盒，不是个材料萝卜青菜不连根，白的白来青的青萝卜青菜酱在一起，青白难分萝卜青菜，各有所爱萝月团团上东嶂，翠屏高挂水晶球。萤萤光寒欲淡，秋雨暮偏多。萤光映草头，鸟影出枝来。萤光连烛动，月影带河流。萤影疏帘外，云形绣户前。潲潴潴留潵潷潸潸然潺潺湲潺潺