The itemNumber column provides a unique identity for each item (or row) and has an attached column-level constraint that enforces a valid value to always be supplied (NOT NULL).

itemNumber 列提供了每个商品（或列）的惟一标识，它上面还有列级约束，强制要求提供正确的值（NOT NULL）。

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In this paper, the fundamental flexure characteristics of the attached column are discussed first to demonstrate a practical analytical model for the column with multiple attaching points.

本文首先讨论附着式塔身的基本弯曲特性，以论证多点附着式塔身的实用分析模型。

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This column described a simple way to gain back that ability without losing any of the new features by using a URI attached to the URL.

这篇专栏文章描述了一个简单的方法，通过使用一个附加在URL中的uri重获这一能力，同时也不丧失任何新功能。

youdao

As the attached column in today's Washington Times by the Center's director Frank J.

CENTERFORSECURITYPOLICY: Center For Security Policy

For more on the "radical entente" phenomenon, see the attached column by Center director, Frank J.

CENTERFORSECURITYPOLICY: Center for Security Policy | A Good Week For The ��Radical Entente��: Outlaw Nations Likely Emboldened By Ineffectual Western Responses

As the attached column by the Center's director, Frank J.

CENTERFORSECURITYPOLICY: Center For Security Policy