A.0.15 B.0.3 C.0.2 D.0.25
A.2倍 B.1.732倍 C.1/2倍 D.3倍
A.0.005%和0.2′ B.0.005%和0.5′ C.0.01%和0.2′ D.0.01%和0.5′