In mechanical engineering design, we usually calculate before defining.

¿Sabes por qué Martina está tan enojada ahora? ___ con su marido.

A、Discutirá

B、Discutió

C、Discutía

D、Ha discutido

根据直观图补出的俯视图是正确的。 According to the given pictorial figure and the front and left views, the top view is correct.

The coat fits the boy perfectly now，but he will ______ it in a year's time．

现在这个男孩穿这件外衣刚好合适。但一年以后他就穿不得了。

2. Every student now in the university will become a leader in the future.

Vous buvez ( ) vin ou ( ) alcool.

A、du, de l'

B、de la , du

C、des, du

D、de , de

There is normally an order to how functions occur with flowing in and out.

A、nuclear

B、energy

C、materials

D、information

The concept design contains the activities including .

A、function modeling

B、behavior modeling

C、structure modeling

D、assessment and decision-making

We can decompose the whole function into sub-functions and multilevel sub-functions by function deformation in the concept design.

Iteration, moving from any step back to any previous step, is required within entire process,

A system is a collection of that are organized for common purpose.