1.3 Complex Sentence Analysis1 Machinery design is either to formulate an engineering plan for the satisfaction of a specified need or to solve an engineering problem.机械设计用以阐明满足某种特殊需要的工程计划或解决具体的工程问题。 2 It is important that the designer begins by identifying exactly how he or she will recognize a satisfactory alternative, and how to distinguish between two satisfactory alternatives in order to identify the best.对于设计者来说，一开始就能准确判定出令人满意的设计方案，并能加以区别以选择最好的，这一点很重要。1.4.1Translate the Follo
