不幸的是，JCA规范没有定义这个属性的类型或者它的意义。
Unfortunately, the JCA specification does not define the type of this property or what it means.
举例来说，关系，例如关联和依赖，可能是未辨别的，属性和参数可能有不能辨别的类型规范，等等。
For example, relationships such as associations and dependencies may be unresolved. attributes and parameters may have type specifications that cannot be resolved, and so on.
从一开始，JVM规范就已经要求JVM忽略未知类型的属性。
From the beginning, the JVM specification has required JVMs to ignore attributes of unknown types.
可以在两种类型的对象上设置目标属性：连接工厂和激活规范。
There are two different types of object on which it is possible to set target properties: a Connection Factory, and an Activation Specification.
最值得注意的是，HTML 4.01规范引入了一些新属性，它们可以指示link元素所引用的资源的媒体类型和字符集。
Most notably, the HTML 4.01 specification introduced new attributes that can indicate the media type and character set of the resource referenced by the link element.
UML 2.1规范所定义的元类，可以被用来指定原型属性集的类型，通过在原型和所需的元类之间创建一个元类的关联。
A UML 2.1 defined metaclass can be used to specify the type of stereotype attributes by creating a metaclass association between the stereotype and the desired metaclass.
还将按照dtd类型规则规范化属性，但这主要与使用DTD的文档有关，本文不再讨论。
Attributes are also normalized according to rules for their DTD type, but this mostly affects documents that use a DTD, which I do not cover in this article.
设计使用XML文件描述各种不同的网络协议数据格式规范，定义不同类型和属性的节点描述网络协议命令格式。
This thesis designs to use XML file describing various network protocols'data format and defines different types of nodes to describe the network protocol command format.
设计使用XML文件描述各种不同的网络协议数据格式规范，定义不同类型和属性的节点描述网络协议命令格式。
This thesis designs to use XML file describing various network protocols'data format and defines different types of nodes to describe the network protocol command format.
应用推荐