The changes of morphologies of brazed diamond grit in grinding were observed by using a digital video microscope system. 通过数字视频采集系统跟踪观察钎焊金刚石砂轮磨削过程中磨粒表面形貌变化。
Now, he brings his expertise to the relatively new field of sound for digital video productions. 现在，他把他的专门技能引入相对新的声学领域，以制作数字视频。
