CT中像素的大小为
A.≤0.001mm
B.≤0.01mm
C.≤0.1mm
D.≤1mm
E.≤10mm
参考答案:D
解析:CT中体素的长和宽即像素大小,都≤1mm。
_____ to finish this composition in such a short time is a mystery.
A.How did he manage
B.What did he manage
C.How he managed
D.What he managed
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