real world system的意思|示意

This typically results in what is called an over-fitted system, perhaps performing well in artificial tests, but not in the real world.

这常常导致 “过分合身的” 系统，这些系统在人工测试中表现得很好，但在真实环境中就不行了。

Another way to look at it is that a use case describes a way in which a real-world actor interacts with the system.

认识它的另一种途径是：用例描述实际参与者与系统交互的方式。

Because a logical or physical model is an abstraction of the real-world system, it is usually very complicated, and it consists of many building blocks and relationships.

由于逻辑或物理模型是现实中的系统的抽象，它通常非常复杂，由很多构建块和关系组成。

With the Marine Corps training system, forward observers wear a head-mounted display with a see-through visor; objects displayed on the visor appear to be part of the real world.

使用海事公司的培训系统，前锋探测队员就会佩戴一个戴在头上的物件并通过外配的透明遮护来显示；显示在遮护上的对象看起来就像是存在真实世界中的东西。

Real world implementations of MapReduce would normally assign controllers, map , and reduce tasks to a single system.

显示情况下MapReduce的实现可能通常分配给控制者，map和reduce任务分配给单独的系统。

Transactions are real world entities that can be expressed in the form of text, numbers, or both, to be processed by a database management system.

事务是以文本、列（或同时使用两者）的形式表现的来自真实世界的实体，将由数据库管理系统处理。