在1911年何乐礼兼并其它三家公司成立“计算制表记录公司”（CTR，IBM的前身）之后，“穿孔卡”成为了当时新公司的主打业务。
The technology became the core of IBM’s business when it was incorporated as Computing Tabulating Recording Company (CTR) in 1911 after Hollerith’s firm merged with three others.
在1911年何乐礼兼并其它三家公司成立“计算制表记录公司”（CTR，IBM的前身）之后，“穿孔卡”成为了当时新公司的主打业务。
The technology became the core of IBM’s business when it was incorporated as Computing Tabulating Recording Company (CTR) in 1911 after Hollerith’s firm merged with three others.
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