摘要:
直接先上man文档得到的结果: +[no]trace Toggle tracing of the delegation path from the root name servers for the name being looked up. Tracing is disabled by defau 阅读全文
摘要:
Bounded data(有界的数据) A type of dataset that is finite in size. Unbounded data(无界的数据) A type of dataset that is infinite in size. Streaming system A typ 阅读全文