A higher demand of bar code "s information capacity must be met because of its wider use."

条码应用的进一步推广，对条码的信息容量提出了更高的要求。

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Dr. Church said he first considered encoding the novel "Moby Dick, " but then chose to use his own manuscript because its combination of words, pictures and JavaScript code would better showcase DNA's capacity to handle different kinds of information.

WSJ: Harvard Researchers Turn Book Into DNA Code

With a few tweaks of software code they can expand the bank's capacity from 20 simultaneous customers to 500.

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