在动画制作中,可把制作好的素材转换为____保存在库中,以方便以后调用。
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下列制造方法属于增材制造的是?
A. 切削加工
B. 铸造
C. 3D打印
D. 冲压成型
Air cargo rates are based on ( ).
A. value of service
B. cost of service
C. risk of transport
D. air cargo tariff
Which of the followings are the types of air freight rates( ).
A. General Cargo Rate
B. Class Rate
Commodity Classification Rate
D. Specific Commodity Rate