SPECT均匀度基本要求的指标是 ( )A、±1%B、±2%C、±3%D、±5%E、±10%
SPECT均匀度基本要求的指标是 ( )
A、±1%
B、±2%
C、±3%
D、±5%
E、±10%
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正常肾图中定量分析的指标,正确的是 ( )A、高峰到达时间(Tb):3~5分钟,半排时间(C1/2) 正常肾图中定量分析的指标,正确的是 ( )A、高峰到达时间(Tb):3~5分钟,半排时间(C1/2)B、Tb:5~8分钟,C1/2C、Tb:3~5分钟,C1/2D、Tb:2~3分钟,C1/2E、Tb:8~10分钟,C1/2
下列数组声明语句中,不正确的是_________。A.Dim a(9) As Single = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}B.Dim a() = {1, 2, 3, 4, 5, 6, 10}C.Dim a(,) As Single = {{1, 2, 3, 4, 5}, {6, 7, 8, 9, 10}}D.Dim a() As Single = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}E.Dim n As Integer=10 Dim a(n) As Single