求翻译：　而活动执行是属于公司当中的一个职位。活动执行人员需要了解很多知识，各种制作的材质特殊性，安装问题，制作工艺等等；设备（灯光音响等）的基础知识掌握，以及很多物理知识。执行者也要有一个掌控大局的能力，协调沟通能力。市场材质的价格，及供应商的资源。是什么意思？

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　But moves the execution belongs to in the middle of a company's position.The activity enforcement agents need to understand very many knowledge, each kind of manufacture material quality particularity, installs the question, manufacture craft and so on; Equipment (light sound and so on) elementary

　And the activity execution is a position belonging to the company. Activities practitioners need much knowledge material produced by special installation problems, production equipment (lighting) basic knowledge and many physical knowledge. Performers also have the ability to control, communication

The implementation of the activities are among a company's position. Implementation of activities need to understand a lot of knowledge, a variety of special materials production, installation problems, production process, etc.; equipment (lighting and sound, etc.) to master the basics, and a lot of