system element是什么意思

用法例句

The controllable hydraulic system unit with this valve as its kernel was investigated to adapt to the load established in accordance with loading.

为适应复杂液压系统的压力、速度变化要求,通过对电液比例压力-流量复合阀(P-Q阀)的特性分析,研究以P-Q阀为核心元件,搭建与负载相适应的可控液压系统单元。

The research on the unit hierarchical taper of regional geographic system;

区域地理系统单元等级圆锥建模

Design of numerical control interpolation system based on MCS-51;

基于MCS-51的数控插补系统设计

Efficiency influence factor analysis and countermeasures of the mechanical producing system in low permeability oilfield;

低渗油田机采系统效率影响因素分析与对策

Development of Radioactive Sewage Treatment System in Hospital and Automatic Control Methods;

医院放射性污水处理系统及其自动控制方法的研制