prototype for research造句

"A quadriplegic running around on his own is the goal of all this, " said Dave Miller, technical director of the nonprofit KISS Institute, which conducts robotics education programs as well as selling prototypes for research.
After developing 10 prototypes for research and development purposes, in May 2013 Audi decided to cancel production of the electric car due to its limited all-electric range as battery technology had not advanced as fast as Audi had expected, making the R8 e-tron unviable for series production.
After developing 10 prototypes for research and development purposes, in May 2013 Audi decided to put on hold the production of the electric car due to its limited all-electric range as battery technology did not advance as fast as Audi had expected, making the R8 e-tron unviable for series production.
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