So, if you look at any engineering system, the performance of that engineering system is a function of its design and its construction.

如果你们观察过工程系统，工程系统的性能就是,它的设计和构造的功能。

麻省理工公开课 - 固态化学导论课程节选

We are designing systems, building engineering systems, making materials choices.

我们在设计系统，构建工程的系统，提供更多的材料。

麻省理工公开课 - 固态化学导论课程节选