Punchcard: card punched with a pattern of holes encoding data for storage and reading.
穿孔卡：依照固定模式打孔，作为代码，贮存和阅读资料的卡。
2
quot;The triangle program reads three numbers from a punchcard... and interprets them as the sides of a triangle.
"三角形程序从一个穿孔卡片中读取三个数据，并将它们作为三角形的三个边。
3
At first this meant making punch-card tabulators, but IBM moved on to magnetic-tape systems, mainframes, PCs, and most recently services and consulting.