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供球
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     The Design and Cultivating of Offering Volleyball Skills of Major Students in PE Institutes
     排球专选学生供球技能的设计与培养
短句来源
     After examining the influence of the chemical composition, nodularization and inoculaton on the as-cast structure as well as mechanical properties under laboratory conditions, the authors advance parameters for industrial production.
     同时,为得到铸态珠光体球铁环,作者在实验室条件下通过40多炉次的试验,研究了化学成份、球化和孕育处理工艺对铸态组织和机械性能的影响; 并获得许多可靠的可供球铁环生产参考的工艺参数。
短句来源
     But in the process of manipulative machines have the haphazardness and unsteadility because the referee's choice of serve techmical norm are based on whose experience.
     但在发球机的操作使用过程中 ,是依主考人员凭经验选择供球技术指标 ,因此具有一定的随意性和不稳定性 .
短句来源
     Third,the proper times of serving the ball and the turns of players are good for the training and improve the ability of energy supply of players' non-oxygen and aerobic energy supply system.
     ③适宜的供球次数、组数、轮换人次,对提高运动员有氧和无氧供能系统的供能能力,有着较好的训练效果.
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  相似匹配句对
     Supply And Demand Information
    
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     Hard Alloy Sphere
     硬质合金
短句来源
     Sphere of inertia
     惯量
短句来源
     Multi-ball Training of Table Tennis and Its Influence on the Energy Supply System of Human Body
     乒乓训练对人体能系统的影响
短句来源
     The Design and Cultivating of Offering Volleyball Skills of Major Students in PE Institutes
     排专选学生技能的设计与培养
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This article presents a technique of bi-ring casting of piston-rings with nodular iron. The technique eliminates the serious defect the axial shrinkage porosity in a individual casting of piston--rings with same material. After examining the influence of the chemical composition, nodularization and inoculaton on the as-cast structure as well as mechanical properties under laboratory conditions, the authors advance parameters for industrial production.

本文在分析了国内外球铁环生产状况的基础上,提出了球铁环双环的铸造工艺。由于双环铸造改善了球铁环的充填和补缩条件,解决了球铁环单体铸造中难于解决的一大缺陷——轴向缩松。同时,为得到铸态珠光体球铁环,作者在实验室条件下通过40多炉次的试验,研究了化学成份、球化和孕育处理工艺对铸态组织和机械性能的影响;并获得许多可靠的可供球铁环生产参考的工艺参数。

The using of serve machines to serving in enrolment of Higher Learning Institution's test of physical education specialization have reduced the subjective factors which caused by referee's serve and reflect the test rules of fairness,impartiality openness.But in the process of manipulative machines have the haphazardness and unsteadility because the referee's choice of serve techmical norm are based on whose experience.This artical raise the concrete serve norm by analysis of different skill level table tennis...

The using of serve machines to serving in enrolment of Higher Learning Institution's test of physical education specialization have reduced the subjective factors which caused by referee's serve and reflect the test rules of fairness,impartiality openness.But in the process of manipulative machines have the haphazardness and unsteadility because the referee's choice of serve techmical norm are based on whose experience.This artical raise the concrete serve norm by analysis of different skill level table tennis sportsmen,which in the light of experiment and research of Macnhine's serve function,making the machine's serve more scientifical, reasonable and manipulatible.

高校体育专业乒乓球专项招生考试使用发球机供球 ,减少了因培测人送球产生的人为因素 ,体现了公平、公正、公开的考试原则 .但在发球机的操作使用过程中 ,是依主考人员凭经验选择供球技术指标 ,因此具有一定的随意性和不稳定性 .本文通过对乒乓球运动不同层次技术水平人员的调查分析 ,结合发球机供球性能的实验研究 ,提出了具体的供球标准 ,使发球机供球更趋科学性、合理性和可操作性

The offering volleyball skills special techniques of teacher, it抯 very important to the volleyball teaching, the all kinds of offering the throwing, the feint hit and the drop shot, etc .These skills only can be learned by some programmed, intended training but commonly ways.

供球技能是排球教师从事排球教学训练工作的特殊技巧,包括抛球、扣打、传吊、发送等供球技能,这些技能不是仅通过排球技术的学习和练习就可以掌握的,必须经过有计划、有目的、有安排的培养和训练才能习得。

 
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