裂变物质

Rapidly creating super criticality, either by shooting one piece of subcritical material into another, or compressing subcritical mass fissionable materials together to accomplish this.

超临界快速制造，已由拍摄成另一块临界物质、压缩裂变材料临界质量或一起做到这一点。丰富的材料

The most probable explanation of radioactive disintegration is to be found in terms of the modern ideas concerning the structure of matter.

必须根据物质结构的现代观点才能更好地阐明放射性裂变现象。

Cosmogenic nuclides are primarily generated by reaction of target nuclei exposed near earth surface and galactic cosmic radiation. The reactions producing Cosmogenic nuclides mainly involve spallation, capture of neutrons and muon reaction.

宇宙成因核素主要是由来源于银河系的宇宙射线与暴露于地表的物质作用形成的，作用机制主要包括裂变、中子捕获和介子反应。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。