这允许将动力转向消息归类到一个层次结构中。
This allows P/S messages to be categorized into a hierarchy.
使用基于OLAP的包时，来自相同层次结构的级别的不相邻嵌套的报告将生成以下错误消息。
When using an OLAP-based package, a report with nonadjacent levels from the same hierarchy produces the following error.
SpringDAO：JDBC DAO抽象层提供了有意义的异常层次结构，可用该结构来管理异常处理和不同数据库供应商抛出的错误消息。
Spring DAO: the Spring JDBC DAO abstraction layer offers a meaningful exception hierarchy for managing the exception handling and error messages thrown by different database vendors.
当订阅某个主题的客户机连接到JMS服务器时，它可以请求适合层次结构特定部分的消息。
When a topic-subscribing client connects to the JMS server, it can request messages that fit into a specific section of the hierarchy. As an example, consider the hierarchy outlined in Figure 3.
使用基于OLAP 的包时，如果报告使用一个细节过滤器，而该过滤器包含了一个应用到层次结构的NOT操作符，那么执行报告将生成以下错误消息
When using an OLAP-based package, a report that uses a detail filter containing the NOT operator applied to a hierarchy produces the following error
在配置文件层次结构中不允许的层次写入信息的任何尝试都会导致分析器产生一条错误消息。
Any attempt to write in a configuration file at a level not allowed in the hierarchy will result in an error message generated by the parser.
最后按照无线资源管理层rrc中的“SYSTEMINFORMATION”消息的层次结构，具体解析了各信息单元的含义，给出了解码流程图，并详细描述了其工作原理和过程。
Last, we analyze the information element's meaning and function in the "SYSTEM information" message of RRC layer, give the decoding flow chart, and describe the working principle and process.
讨论了基于层次消息总线模式的智能控件化虚拟仪器开发系统的软件体系结构，分析了该模式所存在的问题。
The software architecture of the developing platform of Virtual Instruments based on Hierarchical Message Bus was discussed, and the problem of this mode was analyzed.
讨论了基于层次消息总线模式的智能控件化虚拟仪器开发系统的软件体系结构，分析了该模式所存在的问题。
The software architecture of the developing platform of Virtual Instruments based on Hierarchical Message Bus was discussed, and the problem of this mode was analyzed.
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