With the continuously upgrading of 3 Dimensional drawing software, many new theories on lighting application have been put forward in the past few years with increase drawing capability in general.
随着三维绘图软件的不断升级，几年来灯光应用提出了很多新的理论，绘图水平也有了普遍提高。
Therefore, the snout area in Zhou's photos must be 3 - dimensional nose and lips as like in real tigers, but never a planar picture with a Y-drawing.
因此，周的照片中吻部区域必然是三维的鼻子和嘴唇，就像真虎一样，而绝不是具有一个Y形图的平面画。
The input describing method and representing model adopted in a detail drawing information input processing system(GEOCORE) for 3-dimensional mechanical parts are proposed.
本文叙述交互式三维机械零件图信息输入处理系统GEOCORE的图形信息描述方法和数据表达模型。
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