Primary Key的例句大全

Conclusion It was a key for HPLF primary culture using plastic bottle , FBS and RPMI 1640.

结论商品塑料培养瓶、胎牛血清、RPMI1640是提高体外HPLF培养成功率的关键.

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The technology of hole trajectory primary section is the key of drilling in re-entry horizontal wells.

摘要侧?水平井轨迹起始段工艺技术,是侧?水平井?井工艺的关键技术.

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A primary key of a table can be a foreign key in any other table.

主键的表可以是外键,在任何其他表.

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The Primary Key on the mobile device collides with one in the host database.

移动设备上的主码与宿主机数据源中的主码冲突.

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Multi-Primary Cementing Technology is one of the key techniques for Optimal and Fast Drilling Program.

单级双封固井技术是渤海优快钻井技术中的关键技术之一.

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An example of such an error is attempting to insert duplicate value in a primary key.

这种错误的一个实例:尝试在主键内插入同样的值.

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Allow Nulls property cannot be set on a column that is part of the primary key.

不能在作为主键的一部分的列上设置“允许空”属性.

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An identity column or a column used in a primary key , cannot allow nulls.

标识列或主关键字中的列的值不能为空.

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The automatic index on the primary key takes care of the index required by AUTO _ INCREMENT.

从楼上的话来看,应该是鉴于自增长的主键的索引需求,会自动在其上建索引.

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An example is if the query includes a primary key in the output list.

例如,查询在输出列表中包括主键时.

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Results It was the key to successfully rescuing DIC in obstetrics to grasp the clinical picture, make diagnosis early, treat the primary disease and eradicate the cause promptly;

结果熟悉产科急性DIC临床表现，及早做出诊断，积极治疗诱发产科急性DIC的原发疾病，及时去除病因是抢救产科急性DIC成功的关键；

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The fixing of davit and primary lifting beam is the key for assembling the hoisting tool of satellite.

吊块及主吊梁的安装是某型号卫星整星吊具安装中的关键环节。

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The full-automatic perimeter is a primary armamentarium in vision inspection, which plays a key role in the early detection and treatment of glaucoma.

全自动视野计是进行视野检查的主要医疗设备，在青光眼的早期发现与治疗中起着关键作用。

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The retrieval of a data record in an indexed file by the primary ( or optionally, alternate) key within the data record.

在索引文件中，通过数据记录中的主要关键字或可选关键字进行数据记录的检索的一种方法。

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Both entity integrity and referential integrity based on primary key are two important kinds of constraint.

求解关系模式的候选键是关系模型设计的基础，基于关键字的实体完整性和引用完整性是最基本的约束，也是最重要的约束。

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The primary contents are summarized as follows: An overview of the key functions of the EXPRESS modelling language as well as a formal semantic description of the EXPRESS data model is introduced.

对EXPRESS建模语言的核心功能作了概述，并给出了EXPRESS数据模型的一个形式化语义描述。

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This cell contains the most recently retrieved value for the primary database key.

此单元格含有数据库主关键字的最近检索值.

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The use of autoincrement as a primary key is not recommended in a database that is going to be synchronized.

不建议在要进行同步的数据库中将自动增量用作主键。

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A primary key column is identified by a primary key symbol in its row selector.

主键列由其行选择器中的主键符号标识.

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