<p style="font-size: 12px;color:#aaa;">版权引用：<a href="https://www.behance.net/gallery/29877839/Stealth-(2005)"><span style="font-size: 12px;color:black;">“Because the Klegecell skinning material was so expensive, it was helpful to get surface area calculations for the different parts of the planes. Once you have the 3D digital model,extracting information for surface area, mass, and center of gravity is very easy.”</span> </a>由 <a href="https://www.behance.net/med744"><span style="font-size: 12px;color:black;">Andrew Chan</span></a> 授权许可 <span><a href="https://creativecommons.org/licenses/by-nc/4.0/deed.zh" target="_blank" style="font-size: 12px;color:black;">Attribution-NonCommercial 4.0 International<img src="" style="display: inline-block;height: 16px;width: auto;"></a></span></p>