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 ...
a western-style theme park西部风格主题乐园He is wearing a western style suit.他穿着一套西式服装.When eating western - style food, you can talk with others freely and lightly.吃西餐时, 桌上你可以和其他人轻松自由地交谈....