They are not second - order approximations, but are exact for any amount of deformation.它们不是二次近似, 而是对任何变形量都成立的精确表达式.We do not have the true figures so we will have to make some approximations.我们没有真实的数字，因此只能作些粗略的估计。There ...
These interdisciplinary programs include, for example , biophysics , geophysics, and astrophsics.这些跨学科的专题包括生物物理学 、 地球物理学和天体物理学等等.One of the most exciting developments in modern times has been the birth of biophysics.生物物理...
他是怎样在成为外交大臣以后的17年间保住最高职位的？How does he stay on top, 17 years after becoming foreign minister?有空缺职位的时候，办事处就到各个大学去打探。When vacancies occur, the office puts out feelers to the universities.大多数人都是通过校友关系谋得其职位的。The majority obta...