“rigid design”造句，怎麼用rigid design造句

Body: Made from extruded aluminum, rigid, light weight, rigid design, internal stiffening ribs support carriage.

A rigid designator of a necessary existent can be called strongly rigid.

I think part of this is due to the realization that previous rigid design standards didn't really make any applications considerably easier to use.

The division, between non-rigid designator, rigid designator and strong rigid designator, associates closely with Kripke's discussion about the concept of necessity.