QueryDialog 用于提示终端用户输入数据的模式窗口。

QueryDialog A modal window used to prompt the end user for data input.

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终端用户可以从同德语言输入，查看，打印字符，和一个系统应该可以接受数据，然后进行处理，并正确输出结果。

The end user can input, view, and print characters from diverse languages, and a system should be able to accept data, process it, and output results correctly.

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TCPIPClient Input节点接收到数据后，该节点将从输入比特流读取前四个字节的数据(固定长度)并将其发送给Out终端。

As soon as the data is received by the TCPIPClient input node, the node reads the first (fixed-length) four bytes of data from the input bitstream and propagates it down the Out terminal.

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