open channel flow是什么意思

用法例句

The paper introduces the reseach situation of NC manufacturing simulation,technology, anlayes the realization of NC manufacturing simulation system in modeling and compiling of G code,as is instanced by QCNC-one kind of new NC simulation soft-ware,and gives an example of simulation.

文章介绍数控加工仿真技术的研究现状 ,以新型仿真软件QCNC为例 ,从数控仿真建摸和G代码编译两方面分析了数控加工仿真系统的实现 ,并给出了仿真实例。