十一点法相对水深0.0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,0的测点流速分别为20m\/s,40m\/s,50m\/s,50m\/s,40m\/s,30m\/s,20m\/s,00m\/s,0.80m\/s,0.60m\/s,0.20m\/s,则该垂线平均流速为()m\/s。
A、21
B、12
C、10
D、14
本题答案:D
十一点法相对水深0.0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,0的测点流速分别为20m\/s,40m\/s,50m\/s,50m\/s,40m\/s,30m\/s,20m\/s,00m\/s,0.80m\/s,0.60m\/s,0.20m\/s,则该垂线平均流速为()m\/s。
A、21
B、12
C、10
D、14
本题答案:D