英语语法分析

The composite control system with"prefeed"and "backfeed"which controls caloricity more sensitive, accurate and faster than the one just with"backfeed"is involved.

最后提到了比单纯“反馈”系统更为快速、灵敏、准确控制热值的“前馈”加“反馈”的复合控制系统。