子类可以重写这个对象发送命令消息给特定的对象。
Subclasses may override this method to perform special dispatching of action messages.
这一协议主要包含两部分：命令消息和状态转换机制。
There are two main segments in this protocol: message and statement transition mechanism.
参考主题提供了特定的信息，如命令、消息、程序选项或者API。
A reference topic provides specific information, such as a command, message, program option, or API.
其中有三个命令是用于读取日志消息的。
描述：提供一至两个命令句子描述的资源绑定消息ID。
Description: resource bundle message id to provide one to two sentence description of your command.
mkuser命令可能返回下面的错误消息。
The mkuser command might return the following error message.
为了了解是否存在消息争用，发出服务器控制台命令showSTAT MAIL .WAITING。
To determine if you have message contention, issue the server console command SHOW STAT MAIL.WAITING.
该消息来自lp命令；它显示打印作业标识。
This message is from the lp command; it shows the print job id.
此示例中的LOAD命令把它的消息写到日志文件 load_sales_tmp.msg 中。
The LOAD command in the sample writes its messages in a log file load_sales_tmp.msg.
sayhello，该命令在Rooshell上打印出一条欢迎消息。
Say hello, a command that prints a welcome message on the Roo shell.
我想要给你们一个消息，超越所有的规章，解释和命令。
I want to give you a message beyond all regulations, explanations and orders.
消息不完整。应用程序必须另发一个命令。
The message was incomplete. The application is to issue another command.
请求消息中的控制帧是命令帧。
The control frame in a request message is the command frame.
我得到一个可怕的消息，听说治安官下个命令，要我出去服侍人家。
The message was incomplete. The application is to issue another command.
我得到一个可怕的消息，听说治安官下个命令，要我出去服侍人家。
The message was incomplete. The application is to issue another command.
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