Without detailed documentation and technical design information there was no way of tackling the problem.
The design team also benefited from America's design information.
This method also relies on having the correct design information.
"There is a debate over how much design information of ours they are using," one official said.
It could be possible that he had access to sensitive design information about various aviation companies.
You can also access the register online and get design information free of charge.
This was accomplished with all the relevant design information, thanks to computerisation and a 6.30am start in the studio by the designers involved.
An order-of-magnitude estimate is prepared when little or no design information is available for the project.
The method applies to processes (existing or planned) for which design information is available.
The report also says that China stole design information about the neutron bomb.