产生低能X射线的条件不包括（）The conditions for producing low energy X-rays do not include（）

产生低能X射线的条件不包括（）The conditions for producing low energy X-rays do not include（）
A.短曝光时间Short exposure time
B.低原子序数靶物质Target material with small atomic number
C.低管电压Small tube potential
D.钼靶Molybdenum target
正确答案：短曝光时间Short exposure time