求翻译：在英国，罪犯入监后，根据所犯罪行、犯罪经历、有无危险和逃跑可能性、逃跑能力和表现进行评估，按A、B、C、D四级进行管理。相对应的，英国的监狱管理也是按押犯性质的不同分为A、B、C、D四种类型。是什么意思？

In the UK, criminals into prison, according to the offense committed, the crime experience, whether the danger and the possibility of escape, escape abilities and performance assessment, and management by a, b, c, d four. Correspondingly, the prison management in the UK is the different nature of re