作者单位:CHEN Aiping,LI Zhe,ZHU Zhanying(Huaibei Association for Science and Technology, Huaibei 235000, Anhui, China)陈爱萍,李哲,朱占英(淮北市科学技术协会,安徽淮北,235000)ZHANG Cunling(Suixi Association for Science and Technology, Suixi 235100, Anhui, China)张存岭(濉溪县科学技术协会,安徽濉溪,235100)