The juice is extracted by centrifugal force.果汁是通过离心力榨取的。The civil war reinforced the centrifugal tendencies at work within the economy.內战加剧了经济领域的离心倾向.The division of Europe into warring blocs produces ever - increasing c...
画出此单元体,将应力标在其上.Draw a view of this element with the stress placed thereon.在B处的单元体,弯曲应力为零.The bending stress is zero for the element at B.现在从考察一无应力物体中的圆球形单元体开始讨论.We begin by considering a spherical element in an unstresse...