A.0.5m; B.0.4m; C.0.6m; D.0.2m
A.2倍; B.(3.5—4)倍; C.(2.5—3)倍; D.(4.5~5)倍
A.增加子樣數(shù) B.減少于樣數(shù) C.采樣點(diǎn)正確定位