英文：The plastic or cardboard container that holds a floppy disk.
中文：磁盘套子装软磁碟片的塑料套或纸板套
英文：Can not save them to a network drive or a floppy disk.
中文：不能救他们到一个网络驱动器或一个软盘。
英文：In software protection, a method of giving a mark, or signature, that cannot be duplicated, to a floppy disk. A special test routine detects if a signature is present, and if it is not found the protected program will be disabled.
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