There is no material_____deform more or less under the action of force.
举一反三
- The fluid can maintain a fixed volume, and its volume is very small under the action of external force.
- It seems the more material things we get the less spiritual gain we will have.
- After simplification of any force system in space, a force and a couple are obtained. The magnitude of this force is ( ) the principal vector of the force system. A: equal to B: more than C: less than D: not equal to
- He is _________ helpful. A: more or less B: take care of C: in one's own right D: under control
- ______ is the ability of material to resist permanent change of shape caused by an external force.