The objective is to find out the application value of D-3 hydroxybutyric acid.
目的是了解 D-3 羟丁酸的应用价值。
2
Modern 3-D technology works by rapidly flickering two versions of the movie and projecting them onto each eye.
现代3D技术的工作原理是通过快速闪动两个版本的电影，并将它们投射到每只眼睛上。
3
At Wayne State University Medical School, surgeon Lucia Zamorano takes images of the brain from computerized scans and uses a computer program to produce a 3-D image.