The characteristic dimensions that distinguish the union types include the cost of measuring output, the cost of supervising production and the relativity of production among producers.
区别联合类型特征的维度包括测度产出的成本、监督生产的成本以及生产者之间的产出相关性。
The following is an example demonstrating how the rewrite phase can enhance certain types of queries against UNION ALL views to achieve better performance.
下面的例子演示了重写阶段如何提高对unionALL视图的某些类型的查询，以取得更好的性能。
The other types are intersection classes, union classes, complement classes, restrictions, and enumerated classes.
其他方式是交叉类、联合类、补充类、限制类和枚举类。
We will look at helper classes, more complex mappings like enum and union, and user-defined types.
我们要来研究一些更有用的类，更加复杂的映射如和enum和union ，以及用户定义的类型。
Type conversion (mis -) using union data types.
使用union数据类型进行类型转换(mis-)。
Material juxtaposition: Plaster fills metal, and the two are changed. Both spatially and materially, this union creates something new from two known types.
材料并列：用灰泥填充金属，两者都发生改变。空间上和材料上，这两种已知形式的结合创造了新的事物。
Watts Dual Check Backflow Preventers can be specified in many different combinations of connection types, sizes, and union options.
美国瓦茨双止回防回流阀可以按照连接类型、通径和接头构成许多不同的组合。
America, European Union and Japan represent 3 kinds of different administration types respectively: relax, stern and flexible.
美国、欧盟和日本分别代表宽松、严厉和灵活等三种宽严不同的管理类型。
This paper describes the design of a kind nuclear gauge union function instructional meter, for experiments with three types of nuclear gauge-including level gauge, density gauge and thickness gauge.
提出了针对实验室核子计（包括料位计、密度计、厚度计）实验的核子计联合功能教学仪设计方案，阐述分为硬件设计和软件设计两部分。
Like union and structure types, records have structural equality semantics.
与联合类型和结构类型类似，记录具有结构相等性语义。
There are many problems like various data types and complicated structures in modern big portal system, and these all make it difficult to create a union search platform for the system.
现代大型门户信息系统普遍具有数据类型繁多，系统结构复杂等特点，这一系列特点都给系统的统一检索带来了困难。
And the union of the same producers also need some organizational forms. Different organizational forms should be adapted to the different types of union.
生产者之间需要一些组织形式进行联合，即使同一产品的生产者，它们之间也需要以某种组织形式联合，不同的组织形式适应不同类型的联合。
At last, an injection of UNION SELECT statements is described in detail, including how to count the columns and how to identify columns types.
最后本文还以unionSELECT语句为例，详细介绍了利用该语句在盲注条件下统计数据表的列数和判断列的数据类型的方法和步骤。
After a long time of retrieval practice, CALIS union catalog database generally has 21 kinds of duplicate data types.
经过长期的检索实践发现，CALIS书目数据库大致有21种重复数据类型。
After a long time of retrieval practice, CALIS union catalog database generally has 21 kinds of duplicate data types.
经过长期的检索实践发现，CALIS书目数据库大致有21种重复数据类型。
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