China Adolescents Science & Technology Innovation Contest
china adolescent science technology innovation contest castic chinese 全国青少年科技创新大赛 one biggest national science competition china held organization including china association science technology ministry education people republic china every year million student part china submit project locallevel competition project eventually selected castic top project selected participate competition including broadcom master international intel international science engineering fair european union contest young scientist biennial china adolescent innovation contest science seminar chinese 全国青少年发明创造比赛和科学讨论会 biennial china adolescent biology environmental science practice project chinese 全国青少年生物与环境科学实践活动 combined castic official website chinese