穿孔機字元 的英文怎麼說
中文拼音 [chuānkǒngjīzìyuán]
穿孔機字元
英文
perforator character-
Usually, in teletypewriter code, a character code consisting of holes punched in every hole position is an ignore character, this convention makes possible erasing any previously punched character
在打字機編碼中,通常一排全孔碼就是無用字元,這樣就可以清除先前穿的任何字元。
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