【简答题】________ energy under the earth must be released in one form. or another, for example, an earthquake. A) Accumulated B) Gathered C) Assembled D) Collected
【简答题】______ represents the energy per unit volume of a material required to produce fracture under static conditions. A) Modulusofelasticity B) Modulusoftoughness C) Modulusofresilience D) Modulusofrigidit...