The optimizer will deduce key value selection based on the functional dependency of the column within the row.
优化器将根据行中列的函数依赖性来推断关键值选择。
One of make's key features is dependency management: make attempts to rebuild only what it has to when a program is updated.
make的主要特性之一就是依赖性管理：只有在程序源码发生更新必须要重新编译程序时，make才会真正重新编译程序。
It leverages one of the key advantages of Spring: dependency injection.
它利用Spring的一个关键优势：依赖项注入。
This provides key traceability between the requirements and their implementation dependency on external systems.
这可提供需求及其对外部系统的实现依赖关系间的关键可跟踪性。
This sounded simple enough, but there was a key time dependency causing problems.
这看起来非常简单，但是依然有时间限制所产生的问题。
During the calculation of reliability of structure system, failure dependency of the components or the sections is one of the key problems.
在结构体系可靠度的计算中，一个急待解决的问题是结构构件或截面间的失效相关性问题。
The key to the dependency-injection approach is that you query data by injecting the Class of the entity that the DAO will be querying, along with defining the generic type.
依赖项注入方式的关键是，在查询数据时，要注入DAO将查询的实体的Class并定义泛型类型。
Network resource management is a new function of network management, and network resource dependency analysis is one of the most key technologies.
资源管理是网络管理新的管理功能域，资源依赖性分析是网络资源管理的关键技术之一。
The high dependency of crop and vegetable yield on irrigation was the key cause of the change of groundwater embedded depth.
粮食和蔬菜产量对地下水资源的高度依赖性，是引起地下水埋深变化的主要原因；
This paper gives a availability method based on Dependency -matrix that can find all primary attributes and get primary key.
就这类问题的子类给出了一种通过依赖矩阵求出全部主属性的方法，进而得出主关键字。
As some kinematics problems are studied by the screw theory, the dependency of screw system is a key problem.
在利用螺旋理论研究某些机构学问题时，螺旋系相关性的判别是关键问题。
When XML document comes forth incomplete information, XML functional dependency has also important meaning for the research of key, normal form and integral restriction for XML document.
当XML文档出现不完全信息时，XML函数依赖同样对于XML文档的键、规范化和完整性约束的研究具有重要意义。
The problem of inference rules for multivalued dependency is the key to solve implication problem between dependencies in XML and the key problem of XML normalization theory.
XML多值依赖的推理规则集问题是解决XML数据依赖的蕴涵问题的基础，是XML规范化理论的关键问题之一。
During the calculation of reliability of system, failure dependency of the components or the sections is one of the key problems that need solutions.
在体系可靠度的计算中，一个急待解决的问题是结构构件或截面间的失效相关性问题。
Firstly we present basic concepts about definitions for object dependency (OD) and key and so on. Then we discuss some properties for OD.
首先给出有关对象依赖（OD）和关键字等的基本概念，然后讨论对象依赖的一些性质；
Firstly we present basic concepts about definitions for object dependency (OD) and key and so on. Then we discuss some properties for OD.
首先给出有关对象依赖（OD）和关键字等的基本概念，然后讨论对象依赖的一些性质；
应用推荐