1.
the reduction of the intensity of radiation as a consequence of absorption and radiation.
放射线的强度由于辐射和吸收而减少。
2.
radiations emitted by an X-ray machine X
射线机放射出来的放射线.
3.
Having a radial form, as a starfish.
放射线状的具有放射性形状的，如海星
4.
a parabolic reflector for light radiation.
反射放射光线的抛物面反射器。
5.
Radioactive ray is material thing.
放射线是实际的物质。
6.
radioisotopic purity
放射线同位素的纯度
7.
mutations in plants caused by radiation
放射线引起的植物变异.
8.
(the sending out of)rays and atomic particles from radioactive substances
（自放射性物质中放射出的）射线和原子粒子
9.
A structure or part having the form of a straight line extending from a point.
放射组织，放射状具有射线形式的结构或部分
10.
To send out rays or waves.
放射，辐射发出射线或波
11.
Isotopes which give off rays are known sa radioisotopes.
辐射出射线的同位素被为放射性同位素。
12.
X-ray microradiography
X射线显微放射照相法
13.
occipitothalamic radiation
(视辐射线) 韦尼克氏放射
14.
The use of radiation for the scientific examination of material structures; radioscopy.
放射检查用放射进行物质结构的科学检查；射线检验
15.
Emitting beams, as of light; radiant.
发光的，光辉的放射出光线的，如灯；辐射的
16.
To emit(light, for example) in or as if in rays.
放射以射线或象以射线一样发出（光）
17.
giving off light or heat or radiation: the physical temperature of the emitting material.
散发出光、热或射线的：放射性物质的物理温度。
18.
A radial part, such as a ray, spoke, or radius.
放射部辐射状的部分，如光线、轮辐或半径