题目内容

在flash软件中,制作完动画后测试影片的快捷键是()

A. alt+enter
B. ctrl+enter
C. shift+enter
D. ctrl+shift

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利用MATLAB可以干什么()

A. 数值计算
B. 数据分析
C. 数据可视化
D. 图像处理

The most common type of sampler used in the mining industry is the gravimetric sampler()

The interaction of small particles with light is not a sensitive function of particle size and the optical properties()

The 10-mm Dorr-Oliver cyclone separates the oversize dust from the respirable fraction (usually considered to have an aerodynamic diameter of()or less)

A. 10μm
B. 10pm
C. 15 pm
D. 20 pm

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