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 ...
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...
Jackson remained calm and always master of his passions.杰克逊镇定自若，始终克制着情绪。Jackson had been a major power-broker in the 1988 Presidential elections.杰克逊是1988年总统选举中举足轻重的权力经纪人。Jackson said her boss became increasingly depresse...