射线吸收谱的英文：
x ray absorption spectrum x
n. 射线；光线；一线；鳐
v. 放射，辐射；照射；闪现
Bear in mind that the chief ray is now principal ray.
记住，此时主光线就是主点光线。
externo-lateral ray
外侧辐肋
concrete for radioactive ray shielding
放射线屏蔽用混凝土
n. 吸收；专心致志；合并
This controls the absorption of liquids.
这控制着液体的吸收。
Attenuation of light is in the form of absorption.
光是以吸收的形式衰减。
Halogens also have the necessary absorption in the ultraviolet and rapid dissociation.
卤素也具有吸收紫外线和分解快这两种特性。
n. 光谱，波谱，频谱；系列；范围；幅度
A spectrum is then obtained and telemetered to the ground
然后记录它的光谱，并将数据通过遥测系统发回地面。
charge spectrum of primary cosmic rays
初级宇宙线电荷谱
Then the effect is to steepen the flanks of the pulse spectrum
因此在效果上是加大了脉冲谱翼部的陡度。