结构段

There is a very revealing quote by Alan Perlis in his preface to the MIT book on Scheme, The Structure and Interpretation of Computer Programming, by Abelson and Sussman. Alan Perlis wrote

在MIT出版的由阿贝尔森和萨斯曼所著的关于Scheme的《计算机程序的结构和解释》一书中，Alan Perlis在序言中有一段非常具有启发意义的论述。

There is a very revealing quote by Alan Perlis in his preface to the MIT book on Scheme, The Structure Interpretation of Computer Programming, by Abelson Sussman.

Alan Perlis在麻省理工学院的一本教材——Abelson和Sussman合著的《计算机编程的结构和解析》——的序言中有一段颇具启发性的话。

Second, the flows over the NACA 0012 airfoil and a two-element airfoil were calculated to validate the developed gridless method.

其次，为验证无网格边界处理方法，计算了NACA0012翼型，多段翼型的流场，并与结构网格计算结果进行了比较。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。