试题与答案

在进行实验设计时,不能作为一组对照实验的选项是( ) A.25℃和0℃ B.有光

题型:选择题

题目:

在进行实验设计时,不能作为一组对照实验的选项是(  )

A.25℃和0℃

B.有光和无光

C.温度和水分

D.有空气和无空气

答案:

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题型:单项选择题

When most people refer to multimedia, they generally mean the combination of two or more continuous media, usually with some user (115) . In practice, the two media are normally audio and video, this is, (116) plus moving (117) .

It should be’ obvious by now that transmitting multimedia material in uncompressed form is completely out of (118) . The only hope is that massive compression is possible. Fortunately, a large body of research over the past few decades has led to many compression techniques and algorithms that make multimedia transmission (119) .

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