City is a kind of Man Land relationship system.

城市是一种人地关系系统。

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Social system is no more an relationship system than meaning and value system.

社会系统是个关系系统，深层次上更是一个意义与价值的系统。

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Consumer Relationship System (CRS) covers aspects of a company's dealing with customers handled by the Consumer Affairs and Customer Relations contact centers within a company.[1]

消费者关系系统指公司内由客户事务和客户关系联络中心负责的和客户的交道。

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"What happens with the health outcome, depends upon good communication, the trust and credibility between the health professional and the individual seeking care, and an understanding of the patient's culture, value system, so that one can develop,hopefully, a strong relationship or interaction between the health professional and the individual.

VOA: standard.2010.03.05

Heat capacity relates the amount of heat that you add to the system to the change in temperature, and this is the relationship.

热容联系起给系统提供的,热量和温度的变化，关系式是这样的：

麻省理工公开课 - 热力学与动力学课程节选

But our accounting system is QuickBooks and our customer relationship management system is GoldMine.

FORBES: There's A Big Thing Missing From Microsoft's Office 365

Think about your customer relationship management system (CRM) and what it measures.

FORBES: Five Things Top Sales Leaders Do Differently -- and What You Can Learn From Them

The WAO says the Welsh government should think about starting a "customer relationship management system" to improve the way it gives out grants.

BBC: Awema: Welsh government lacked 'high-risk' warning