1、关于X线的叙述,错误的是Regarding the description of X-ray, the mistake one is
A.1895年伦琴发现X线 In 1895, Roentgen discovered X-ray
B.电子源是X线产生必备条件之一 The electron source is a prerequisite for X-ray generation
C.X线具有一定的波长和频率 X-rays have certain wavelength and frequency
D.X线通过三棱镜会发生折射 X-rays do refract through the prism