赵庆源

Protection cover capable of remotely measuring size of object

陈平辉, 刘云, 金勇, 2013 .

Protective casing capable of remote measurement of object dimension

陈平辉, 刘云, 金勇, 2013 .

Onboard aerial photography image stabilizing cradle head of unmanned aerial vehicle

韩建达, 王玲, 何虎, 2010 .