blockingn.阻塞；舞台调度；[计]组块动词block的现在分词形式.blockn.街区；木块；石块；大楼；一组；阻塞(物)；障碍(物)v.阻塞block reference density分程序块基准密度block diagram of system系统框图block relaxation method块松驰法Block of cathode carbon阴极炭块组block-printing series丛刻blocked over- voltage截流过电压block diagonal dominant块对角占优Block diagonal matrices分块对角矩阵block bordered diagonal对角加边矩阵block I-O instruction成组输入输出指令