我们现在的产业结构，第一产业(比如)开采业，第二产业，比如加工业，第三产业，(比如)服务业，这三个产业之间的关系。
Our current industries include primary industry, like mining, secondary industry, like manufacturing, and tertiary industry, like the service industry.
服务业是第三产业的一种，所以服务业是第三产业，而第三产业不仅仅此服务业。
The service sector is a tertiary industry, the service sector is the third industry and the tertiary industry not only this service.
工业机器人主要用于以工厂为代表的第二产业，而家用机器人则主要用于第三产业的服务业，在普通家庭中蕴藏着巨大的潜在市场。
Industrial robots are mainly used in the second industry represented by factories, while home robots usually appear in the service industry. So it has potential markets in normal families.
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