two dimensional overlap save method 二维重叠保留法
overlap save
重叠保存
以上为机器翻译结果，长、整句建议使用 人工翻译 。
There is a certain overlap between the stock control system and the accounting system which, if the connection were made, would save a lot of re-keying and associated errors.
在库存管理系统和财务系统里面存在很多重叠的数据，在整合这两个系统的数据时很容易发生主键冲突或者数据关联错误。
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