He opened the grey box, but found nothing in it.
他打开灰色盒子，里面什么也没有。
In this paper, an oilfield is taken as a dynamic system from the view of a grey box system control.
本文从灰色系统控制角度出发，将整个油田看作是一个动态系统。
Grey box model identification for railway cars system is simulated and tested in laboratory by grey box software tools, it is proved that the scheme is feasible and valid.
应用灰箱辨识软件对车辆系统的灰箱模型辨识进行了仿真研究和实验室试验验证，证明了所提出方案是可行和有效的。
There are some problems in modelling karst water circulation using hydrological model as lack of information of groundwater distribution in karst system (black box or grey box).
由于岩溶地下水分布难以量测，岩溶水文系统多为黑箱或灰箱，采用岩溶水文模型量化其水循环过程常存在许多疑难问题。
This kind of control strategy is a guidance to grey-box system control.
这种控制策略，对灰箱系统控制有指导意义。
The grey-box test method can test the functions and properties of dispatching automation system, and can professionally evaluate the openness, expansibility and portability of the system.
“灰盒测试”方法能够对调度自动化系统的各项功能和性能进行测试，并可对系统的开放性、扩展性和可移植性做出专业的评估。
C model was applied to build simulation stimulus and expected output responses, and reusable verification structure and verification method of Grey-box were also applied to this design.
通过C仿真模型来创建仿真激励和期望响应，采用了可重用的验证结构和灰盒的验证方法。
C model was applied to build simulation stimulus and expected output responses, and reusable verification structure and verification method of Grey-box were also applied to this design.
通过C仿真模型来创建仿真激励和期望响应，采用了可重用的验证结构和灰盒的验证方法。
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