【单选题】Stress Stress can be defined as an adaptive response, mediated by individual characteristics and/or psychological processes, that is a consequence of any external action, situation, or event that plac...
A.
an individual's response to an external action.
B.
a process of one's adaptation to the situation.
C.
a demand an external situation places on a person.
【单选题】When the state of stress is represented by the ( ), no shear stress will act on the element. Thestate of stress can also be represented in terms of the maximum in-plane shear stress. In t...
A.
the principal stresses, an average normal stress
B.
the maximum in-plane shear stress, an average normal stress
C.
an average normal stress, the principal stresses
D.
the maximum in-plane shear stress, the principal stresses