gamma ray

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

可为设计反符合γ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.

花色异主要是颜色浅，甚至为白色。花异可由原来的为重花。