引擎效率 meaning in English

engine efficiency

This paper introduces the concepts and theory of sde ( spatial data engineer ) , and presents some key technologies , such as the model of sde , the efficiency of sde , data consist of multi - user edit , etc
摘要介绍了空间数据引擎的概念和原理，剖析了空间数据模型、引擎效率、多用户编辑的数据一致性、多数据源支持等空间数据引擎的关键技术。
In order to improve the efficiency of optical engine and simplify the optical architecture , a neotype color separation / recombination device based on polarization interference filter ( pif ) is proposed for reflective lcos projection display in this paper
为了提高光引擎效率并简化结构，我们提出一种适用于反射式lcos投影显示系统的新型高效分合色器件? ?偏振干涉滤光片。