电子显微学已经革新了对晶体不完整性的研究.Electron microscopy has revolutionized the study of crystal imperfections.粗的晶体不完整性,如孪生体可用肉眼看出.Gross crystalline imperfections like twinning are apparent to the unaided eye.断裂力学虽不是评定结构完整性的唯一标准, 但它起着中心...
Teddy clucked his tongue like a disapproving English matron.特迪咂了咂舌头，活像个不以为然的英国女舍监。Chickens clucked in the garden.鸡在花园里咯咯叫。The teacher clucked sympathetically at the child's story.对那小孩讲述的遭遇，老师啧啧地表示同情。...
你分组件买这个书橱,再把它们卡榫对准组合在一起.You buy this bookcase in sections and slot them together.支承壳体是陀螺组件的外壳.The supporting case is the outer enclosure of the gyro component.整个组件所受的转矩可在D上测出.The torque applied to the whole assembly was ...