红帽全球峰会1.2. 文档惯例
user-replaced 值
用户替换的值（也称为 可替换值 ）以尖括号(< >)一同显示。下划线(_)用于多词语值。如果值引用代码或命令，也使用 monospace。
例如，以下代码显示 < bootstrap_address> 和 < topic_name > 必须替换为您自己的地址和主题名称：
bin/kafka-console-consumer.sh --bootstrap-server <broker_host>:<port> --topic <topic_name> --from-beginning
bin/kafka-console-consumer.sh --bootstrap-server <broker_host>:<port> --topic <topic_name> --from-beginning
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