Abstract: Tennis ball machine has great performance in tennis training and is prevailing among tennis players. However, three major problems of contemporary products-inaccurate control, high cost, and ...
Abstract: Agriculture plays a vital role in the economic growth of any country. With the increase of population, frequent changes in climatic conditions and limited resources, it becomes a challenging ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback