OSSE upper limit on positron annihilation from GRS 1915+105David M Smith,Marvin Leventhal,L X Cheng,Jack Tueller,N Gehrels,I F Mirabel,Luis F Rodriguez,W R Purcellmag(2008)引用 0|浏览13暂无评分关键词black hole,elementary particles,interstellar mediumAI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要