A:聚变反应的聚变物质必须大于临界体积才能进行
B:黑体辐射的极大值随温度的升高向波长较短的方向移动
C:中等核的比结合能最小,因此这些核是最稳定的
D:根据E=mc2可知,物体所具有的能量和它的质量之间存在着简单的正比关系
--- On my birthday, I got a lot of gifts.
--- That's great! I'm looking forward to my birthday.
--I have a cold and my head hurts a lot.
--Oh, sorry to hear that. I hope better soon.