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1·Optical absorption spectra and positron annihilation radiation Doppler broadening were measured at room temperature.

在室温条件下测量了吸收光谱与正电子湮没辐射多普勒展宽谱。

2·Upon collision, the conversion of a particle and its corresponding antiparticle into pure electromagnetic ENERGY (called annihilation radiation).

粒子和对应的反粒子碰撞后，被完全转化为电磁辐射能量。

3·The radiation from this annihilation caused all dreams to rearrange themselves founded upon similar and parallel vibrations.

来自那一次核毁灭的核辐射，造成了将所有梦想基于相似振动而重新分布。

4·The positron annihilation lifetime spectrum(PALS) method was employed to study the effect of proton radiation on microstructure of the space grade KH-L-Y polysilicone rubber.

用正电子淹没寿命谱方法（PAL S）研究了质子辐照对空间级硅橡胶KH- L - Y微观结构的影响。