说明：  [翻译]Real-Time+3D+Terrain+Engines+Using+C+++And+DirectX9.rar这本书的翻译版本，这也要感谢无私奉献的作者，所以拿来给大家分享。
([TRANSLATED] Real-Time+3 D+ Terrain+ Engines+ Using+ C+++ And+ DirectX9.rar translation of this book, which also like to thank the authors of selfless dedication, it brought to share.)