通过对百米定向这一新型运动项目的介绍，阐述其比传统定向运动更具可操作性、对抗性和观赏性，也更具推广性。
Through the introduction of the new sport event of hectometer-orientation , the author tries to clarify that the hectometer-orientation sport is more exercisable , rivalrous , enjoyable than the tradition-orientation sports .
百米定向