The result of the comparison demonstrates that soft ball teaching results in more active attitude of study and attention of the students and brings better command of volleyball techniques. 比较研究表明,采用软式排球内容授课较之传统排球内容授课,学生表现出的学习态度更为积极,注意力水平更为集中,更利于学生掌握排球运动技术。
With the development of aerospace techniques and the demand of military aerospace techniques, more and more country pays more attention to the Tracking, Telemetry and Command ( TT& C) techniques of satellite. 随着我国在航天技术上不断进步和军事航天的需要,卫星测控技术越来越受到各国的关注。