Gamma Knife surgery has recently been tried as an alternative to surgical extirpation.伽玛刀治疗最近被尝试作为手术根治之外的另一种选择。Strictly speaking, it is not possible to absorb gamma rays completely.严格来说, 不可能把γ射线全部吸收掉.Unimmunized contacts...
The collapsar model of gamma - ray bursts.γ射线爆发的黑洞模型.If gamma particles are present, potential differences of several thousand volts can be generated.如果存在γ粒子, 可能产生几千伏的电位差.Unimmunized contacts, especially infants, should ...