A.1/2
B.1/4
C.1/16
D.1/32
A.1/2
B.1/4
C.1/16
D.1/32
A.2倍
B.4倍
C.8倍
D.16倍
A.增加一倍
B.减少一倍
C.不变
D.随机变化
A.2倍
B.4倍
C.8倍
D.16倍
A.1/3
B.1/6
C.1/9
D.1/27
A.θ/16
B.θ/8
C.θ/4
D.θ/2
A.1/8
B.1/16
C.1/32
D.1/64
A.小于1mm
B.等于1mm
C.大于1mm
D.无法确定
A.2
B.1
C.1/3
D.3