机械液压控制 meaning in English

mechanical hydraulic control

With the development of multi - variable control technology and aero - propulsion technology , future excellent engine must have the character , which is high ratio in thrust and weight low fuel and long use life . therefore the control system of aero - engine has also been becoming more and more complicated . the precision of control system is also extra higher
随着高推重比、低油耗、长使用寿命、高机动性航空发动机的研制，现代航空发动机需要控制的变量越来越多、精度越来越高，因此，航空发动机控制系统变得越来越复杂，传统的航空发动机控制系统是采用机械液压控制。
In the paper , the mechanical - hydraulic control system of the x - model aero - engine has been studied . meanwhile , a detailed introduction and analysis of the control program for this aero - engine is given , on this basis , an model of the controller for it ? steady state and acceleration state has been established depend on the relative research
本文针对Ｘ型航空发动机控制系统中的机械液压控制调节器作了比较深入的研究，就该发动机的控制方案进行了较为详细的介绍和分析，并在此基础上对其中的稳态和加速控制部分建立了工程上实际可用的数学模型。