It provides theoretical data for design of anticoincidence shielded gamma ray spectrometer.

可为设计反符γ谱仪提供理论数据。

This indicats that gamma ray irradiation can increase the frequency of mutations and produces special types of flower in Godetia grandiflora breeding.

花异主要是颜浅，为白。花瓣异可由原来的单瓣为重瓣花。