For instance, there is no limitation on field lengths, which alleviates a cause of considerable implementation difficulty in EDI and mechanical adaptations thereof.
例如，字段长度上没有限制，这就缓解了EDI中许多实现困难的起因，以及其中的机制适应问题。
This is not some marvelous invention - it is a simple, imposed limitation on the input field.
这算不上重大发明，只是对输入方面施加了限制。
Its subgroups are not used anywhere else, and they do not exist for convenience and organizational purposes, but because of the Notes field size limitation.
它的子组不在其他任何地方使用，它们的存在不是为了方便和可以组织，而是因为Notes字段有大小限制。
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