Figure 24 defines the column to be used as the key to check the duplicate records.
图24定义了列，用作检查重复记录的键。
How to check if there is initial value and duplicate entry?
如何检查是否有初始值和重复的条目？
SIMPLIFY: Look through your kitchen and check for duplicate items.
简化：仔细检查你的厨房，看是否有重复的物品。
The settler shall have the right to check, transcribe or duplicate the trust accounts related to his trust property and other documents drawn up in the course of dealing with trust business.
委托人有权查阅、抄录或者复制与其信托财产有关的信托帐目以及处理信托事务的其他文件。
Function test: Check whether the input string has duplicate letters.
功能实验：检查输入字符串是否有重复的字母。
Function test: Check whether the input string has duplicate letters.
功能实验：检查输入字符串是否有重复的字母。
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