在物体材质上（），即可打开“材质”项目，可对材质类型、属性、贴图等进行修改。
查看答案
常用折射率：水（）、钻石（）、玻璃（）、空气（）、冰（）。
（）贴图是具有光源信息的图片，Keyshot能利用这些图片来充当光源。
Directions: Watch the video and choose the best answer accordingly.1. Which statement is not mentioned?
A. The 21st century sees an increasingly connected world owing to the Internet and other infrastructure.
B. The concept of global village is now a reality.
C. The world is a totally peaceful place.
D. China's solution to global challenges is the proposal of a community with shared future for mankind.
In the Belt and Road Iniatiative, the Belt refers to the ______ belt along the Silk Road .
A. economic
B. geographic
C. traffic
D. cultural
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