单写多读（或称“单次写多次读”，英语：Write once read many）简称为WORM，是指存储设备一旦录写后便不能修改，当中又先后有CD-R和DVD-R发明[1]。这类设备常被用在美国金融业监管局和美国证券交易委员会等经纪自营商的纪录上[2]。
参考资料
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