Please write down one quotation to summarize the system design process and the task of the design engineer. Please answer this question in Chinese (i.e. translate the quotation to Chinese). 5分.
The design engineer must anticipate every need of the user, every stress of the product, every economical alternative to keep the costs low, every conflicting patent, every manufactured complexity, every operating hazard, and every maintenance problem. Nor one at a time, but all at once.
Please list three important guidelines for equipment design regarding control functions devices in Chinese. 5分.
Define the inputs and outputs
Define the pertinent population stereotypes and conventions as they relate to control movement that are revelant to the operations of this system.
Define potential problem areas.

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