The previous two factors are constant during the process of injection molding, only the plastic process parameters can be regulated by the operator with the injection process and experience knowledge.

在制品的注塑过程中，前两个方面都是固定的，只有注塑参数可以由操作者根据注塑情况和经验知识进行调整。

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However, the world of the mobile operator is self-contained; it requires no knowledge about what the Simpay Ltd. actor does.

然而，移动操作者的领域是自我包含的；它不需要了解Simpay有限公司参与者做什么。

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The friendly communication interface and intelligent study function of expert system are provided, which is convenient for the experiment operator to study the knowledge and accumulate experience.

通信界面人性化，配有专家系统等智能学习功能，便于实验操作人员对实验知识的掌握和经验积累。

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While some people might not immediately associate blue-collar occupations with higher-level formal education, some of these managers and supervisors must have extensive knowledge of business or sciences to perform the tasks of, for example, power plant operator or agricultural manager.

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