The problem to increase the capacity of external memory is discussed in this paper, and the conjectures of layered CDMO and mass memory made of self organizing material, are also presented.
本文讨论了增加外存储器容量的问题 ，提出了分层式磁光盘和利用自组织材料制大容量存储盘的猜想。
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The study proved that the major harmful material in tailing water was Mo and Cd.