branched chain reaction

例句：

1. 1.The branched chain reaction is the process by which a compound breaks down into simpler compounds.
   分支链式反应是化合物分解成更简单化合物的过程。
2. 2. In the branched chain reaction, each carbon atom in the compound adds one unit of energy to the overall reaction.
   在分支链式反应中，化合物中的每个碳原子都会为整个反应添加一个单位的能量。
3. 3. The branched chain reaction is responsible for the breakdown of many organic molecules, including proteins andDNA.
   分支链式反应负责许多有机分子的分解，包括蛋白质和DNA。