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The paper established the code structures organized according to features and defined every code digit.
建立了按特征组织的码结构，定义了各个码位；
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The examples go on: a five-digit zip code vs. a nine-digit zip code, and so on.
FORBES: The Web Services Dilemma
The random 18-digit code plus two check digits will have a four-digit prefix added and it will have intelligence in it.
FORBES: America's Attempted Domination Of LEI Slams into FSB Wall
The four-digit plant number begins with "P - " and is followed by the three-digit code.
CNN: STORY HIGHLIGHTS
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